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The Usefulness of High-Resolution Ultrasound in Detecting Invasive Disease in Recurrent Basal Cell Carcinoma After Nonsurgical Treatment
Utilidad de la ecografía cutánea en el diagnóstico de invasividad del carcinoma basocelular recurrente tras tratamiento no quirúrgico
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Mujer de 50 años con carcinoma basocelular pectoral. A. Imagen ecográfica (20<span class="elsevierStyleHsp" style=""></span>Mhz) de la lesión donde se observa una estructura hipoecoica subepidérmica aplanada. Obsérvese que subyacente a la misma se puede apreciar otra formación hipoecoica mal definida que se adentra en la dermis subyacente llegando al límite dermohipodérmico sugerente de infiltración (círculo naranja). B. Imagen histológica de la lesión con H-E<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>10 donde se aprecia el componente infiltrativo penetrando en la dermis subyacente.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "C. Hernández-Ibáñez, M. Aguilar-Bernier, R. Fúnez-Liébana, J. del Boz, N. Blázquez, M. de Troya" "autores" => array:6 [ 0 => array:2 [ "nombre" => "C." "apellidos" => "Hernández-Ibáñez" ] 1 => array:2 [ "nombre" => "M." "apellidos" => "Aguilar-Bernier" ] 2 => array:2 [ "nombre" => "R." 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"apellidos" => "de Troya" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Servicio de Dermatología, Hospital Costa del Sol, Marbella, Spain" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Servicio de Anatomía Patológica, Hospital Costa del Sol, Marbella, Spain" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Utilidad de la ecografía cutánea en el diagnóstico de invasividad del carcinoma basocelular recurrente tras tratamiento no quirúrgico" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 645 "Ancho" => 1000 "Tamanyo" => 143890 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Case 6. Woman aged 50 with basal cell carcinoma on her chest. A, Ultrasound image (20<span class="elsevierStyleHsp" style=""></span>Mhz) of the lesion showing a flattened subepidermal hypoechoic structure, underneath which we can see another poorly defined hypoechoic formation that invades the underlying dermis until it reaches the dermal-epidermal junction and is suggestive of inflammation (orange circle). B, Histologic image of the lesion (hematoxylin-eosin, original magnification<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>10) showing the infiltrative component invading the underlying dermis.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Basal cell carcinoma (BCC) is the most common type of cancer in white people. Consequently, some authors have defined it as a health problem of epidemic characteristics that is associated with considerable health care spending.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Diagnosis has traditionally been based on punch biopsy, although this approach could lead to an erroneous histologic classification—aggressive subtypes classified as nonaggressive—with severe consequences for therapy and prognosis.<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2–6</span></a> High-resolution ultrasound (HRUS) is a recent technique that is still being investigated and has proven to be of value in the diagnosis and management of BCC. The potential of HRUS has been evaluated mainly in the measurement of tumor dimensions and mapping of presurgical margins, and although differential ultrasound patterns have been reported for subtypes of BCC, this aspect has received less attention.<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">7–15</span></a> The objective of the present study was to show the potential usefulness of HRUS for identifying invasive disease in recurrent BCC after nonsurgical treatment of tumors diagnosed as noninvasive by biopsy.</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Material and Methods</span><p id="par0010" class="elsevierStylePara elsevierViewall">We performed an observational prospective study of consecutive cases of BCC with clinical suspicion of recurrence following nonsurgical treatment and a pretreatment diagnosis of superficial BCC by punch biopsy. The patients were seen at the Skin Cancer Clinic of the Department of Dermatology of Hospital Costa del Sol, Marbella, Spain between September 2012 and June 2013. The inclusion criteria were those set out above (ie, recurrent BCC after nonsurgical treatment that was not previously classed as noninvasive with biopsy), and the exclusion criteria were refusal or inability to undergo an ultrasound study after clinical evidence of recurrence.</p><p id="par0015" class="elsevierStylePara elsevierViewall">The methodology applied was as follows: in cases of suspected residual BCC after nonsurgical treatment, the lesion was analyzed using HRUS (Dermascan<span class="elsevierStyleHsp" style=""></span>C- 20 mHz [resolution 60<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>200<span class="elsevierStyleHsp" style=""></span>μm], Cortex Technology). A punch biopsy was then performed of the portion that was clinically and dermoscopically suspected of invasiveness. The clinical and dermoscopic criteria for selection of the tumor area to be biopsied were that it had to present arborizing telangiectasias, brown-blue-gray ovoid nests, or ulceration.<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">16,17</span></a> The lesion was then surgically removed, and serial sections were taken for study. Finally, the diagnostic agreement of the results (invasive vs noninvasive) obtained by HRUS, punch biopsy, and excisional biopsy was compared.</p><p id="par0090" class="elsevierStylePara elsevierViewall">In histologic terms, the superficial and the expansive/nodular variants of BCC were considered noninvasive, and the remainder were considered invasive.</p><p id="par0025" class="elsevierStylePara elsevierViewall">Differential ultrasound patterns of subtypes were detected based on relevant publications.<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8,9,15,18</span></a> Thus, the superficial subtype was defined as a heterogeneous, hypoechoic, flattened, solid tumor with irregular borders; the nodular subtype was similar to the superficial subtype, although it was oval in shape; the infiltrative subtype was described as having irregular hypoechoic bands that originate in the main tumor mass and invade the underlying dermis; and in the morpheaform subtype, increased echogenicity was described around the main hypoechoic tumor mass and attributed to the increased fibrosis that is characteristic of these tumors. Multiple large intralesional hyperechoic spots have also been considered possible characteristics of BCC.<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a> Specifically, large cotton wool–like hyperechoic spots seem to be typical of this type of tumor and are attributed to the presence of cysts, calcification, and clusters of apoptotic cells in the interior.<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a></p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Results</span><p id="par0030" class="elsevierStylePara elsevierViewall">The study population comprised 8 patients, 7 of whom had received photodynamic therapy and 1 cryotherapy. <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a> shows the clinical characteristics of the cases studied. Mean age was 66.12 years (range, 41-82); 4 were women and 4 were men. Most lesions were found on the trunk (5 of 8), and the mean surface of the lesions was 235.87 mm<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> (range, 105-452).</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">The results for the different diagnostic approaches (<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>) showed that the overall diagnostic agreement between each of the pre-excisional tests (punch biopsy and HRUS) and excisional biopsy was similar (4 of 8 cases).</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0040" class="elsevierStylePara elsevierViewall">According to the ultrasound patterns described above, HRUS identified 3 of the 4 cases of invasive disease that went undetected with punch biopsy (<a class="elsevierStyleCrossRefs" href="#fig0005">Figs. 1 and 2</a>). Only 1 false negative was obtained for detection of invasiveness (case 8), and the case went undetected using punch biopsy (<a class="elsevierStyleCrossRef" href="#fig0015">Fig. 3</a>). Similarly, 2 false positives were found for detection of invasiveness: case 1, which was associated with intense perilesional fibrosis, and case 4, which involved an accompanying inflamed infundibular cyst (<a class="elsevierStyleCrossRef" href="#fig0020">Fig. 4</a>).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="fig0015"></elsevierMultimedia><elsevierMultimedia ident="fig0020"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">Special mention should be made of case 2, in which HRUS made it possible to diagnose superficial BCC that was not confirmed with punch biopsy or excisional biopsy.</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Discussion</span><p id="par0050" class="elsevierStylePara elsevierViewall">Overall diagnostic agreement for punch and excisional biopsy obtained in the present study (50%) is even lower than that recorded in the literature, where the rate ranges between 52% and 89% depending on the series.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> If the cases that were incorrectly classified by punch biopsy (4/8) are analyzed separately, it can be seen that they were all invasive variants previously classified as superficial. The findings in several extensive case series show that up to 21% of BCCs that had initially been diagnosed as superficial by punch biopsy were later shown to be infiltrative after analysis of the excised tissue.<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> Consequently, approximately 1 in every 5 BCCs diagnosed in the clinic as superficial or noninvasive using punch biopsy is in fact an invasive form.</p><p id="par0105" class="elsevierStylePara elsevierViewall">Incisional biopsy, therefore, hampers differentiation between aggressive and nonaggressive forms.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Even though agreement with excisional biopsy is considered relatively good in BCCs of a single histologic type, the rate falls considerably in mixed cases (from 83% to 37%, respectively),<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> and it is difficult to detect the most aggressive type, since a high percentage of BCCs (between 18% and up to more than 50%, depending on the series) are, in fact, mixed subtypes.<a class="elsevierStyleCrossRefs" href="#bib0025"><span class="elsevierStyleSup">5,6</span></a> In clinical practice, underestimation of aggressive variants leads to prescription of inappropriate therapy and, therefore, health care spending and emotional cost for the patient.<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a></p><p id="par0110" class="elsevierStylePara elsevierViewall">Our results for incorrect classification of invasiveness with punch biopsy are higher than those reported in the literature, and this difference is easily explained by the type of BCC studied (recurrent or persistent). Moreover, the difference could account for the failure of the nonaggressive treatments administered, as suggested by several authors who consider incorrect histologic classification one of the main reasons for recurrence in patients who receive noninvasive treatments such as topical imiquimod or photodynamic therapy.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a></p><p id="par0115" class="elsevierStylePara elsevierViewall">HRUS could help to ensure correct histologic classification of BCC, as suggested in recent studies that attempted to define ultrasound patterns that differentiate between subtypes.<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8,9,15</span></a></p><p id="par0070" class="elsevierStylePara elsevierViewall">In our series, the ultrasound patterns obtained are consistent with those described in the literature, although intralesional hyperechoic spots were not detected. When false negatives and false positives are analyzed separately, we see that in case 8 (false negative), invasive disease may have gone undetected because of the intense perilesional fibrosis masking the infiltration (<a class="elsevierStyleCrossRef" href="#fig0015">Fig. 3</a>). With respect to the false positive results obtained, the false infiltration detected in case 1 could be attributed to the underlying inflammatory infiltrate with intense perilesional fibrosis; furthermore, in case 4, the incorrect interpretation of infiltration was attributed to the presence of an adjacent inflamed infundibular cyst, a finding that has been reported elsewhere.<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a> Finally, case 2 is an example of a residual tumor that was erroneously diagnosed. HRUS revealed marked elastosis in the perilesional skin, which is observed as a flattened subepidermal hypoechoic band and could have been the reason why the residual tumor was incorrectly interpreted.</p><p id="par0075" class="elsevierStylePara elsevierViewall">Detailed analysis of false negatives and false positives is essential in ultrasound assessment of lesions, since correct identification during the ultrasound examination would have improved the sensitivity of the test. In fact, recent studies<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8,18</span></a> report 2 rare ultrasound artifacts: the so-called angled border, which is formed by an inflammatory infiltrate underlying the tumor, and the “blurry” border, which is produced by hypertrophy of the sebaceous glands adjacent to the tumor (finding in case 4).</p><p id="par0120" class="elsevierStylePara elsevierViewall">The main limitations of our study are its small sample size, the lack of an assessment of tumor vessels using Doppler ultrasound (which could have increased the diagnostic sensitivity of the skin ultrasound), and the need for a solid grounding in the technique before users are able to detect this type of lesion.</p><p id="par0085" class="elsevierStylePara elsevierViewall">In conclusion, HRUS could prove useful in the detection of residual BCC after nonsurgical treatment, thus making it possible to guide punch biopsy at the sites most suspected of being invaded. The technique could therefore be helpful in appropriate planning of therapy to treat this type of tumor. However, studies with larger sample sizes are necessary to confirm these preliminary findings and to establish sensitivity, specificity, positive predictive values, and negative predictive values for the technique.</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Conflicts of Interest</span><p id="par0125" class="elsevierStylePara elsevierViewall">The authors declare that they have no conflicts of interest.</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Ethical Disclosures</span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Protection of persons and animals:</span><p id="par0130" class="elsevierStylePara elsevierViewall">The authors declare that this research did not involve experiments performed on humans or animals.</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Confidentiality of data</span><p id="par0135" class="elsevierStylePara elsevierViewall">The authors declare that they have followed their hospital's protocol on the publication of data concerning patients and that all patients included in the study have received sufficient information and have given their written informed consent to participate in the study.</p></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Right to privacy and informed consent</span><p id="par0140" class="elsevierStylePara elsevierViewall">The authors declare that no private patient data are disclosed in this article.</p></span></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:11 [ 0 => array:2 [ "identificador" => "xres385377" "titulo" => array:5 [ 0 => "Abstract" 1 => "Introduction and objectives" 2 => "Material and methods" 3 => "Results" 4 => "Conclusion" ] ] 1 => array:2 [ "identificador" => "xpalclavsec364137" "titulo" => "Keywords" ] 2 => array:2 [ "identificador" => "xres385378" "titulo" => array:5 [ 0 => "Resumen" 1 => "Introducción y objetivos" 2 => "Material y métodos" 3 => "Resultados" 4 => "Conclusión" ] ] 3 => array:2 [ "identificador" => "xpalclavsec364138" "titulo" => "Palabras clave" ] 4 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 5 => array:2 [ "identificador" => "sec0010" "titulo" => "Material and Methods" ] 6 => array:2 [ "identificador" => "sec0015" "titulo" => "Results" ] 7 => array:2 [ "identificador" => "sec0020" "titulo" => "Discussion" ] 8 => array:2 [ "identificador" => "sec0025" "titulo" => "Conflicts of Interest" ] 9 => array:3 [ "identificador" => "sec0030" "titulo" => "Ethical Disclosures" "secciones" => array:3 [ 0 => array:2 [ "identificador" => "sec0035" "titulo" => "Protection of persons and animals:" ] 1 => array:2 [ "identificador" => "sec0040" "titulo" => "Confidentiality of data" ] 2 => array:2 [ "identificador" => "sec0045" "titulo" => "Right to privacy and informed consent" ] ] ] 10 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2013-12-15" "fechaAceptado" => "2014-05-23" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec364137" "palabras" => array:2 [ 0 => "Skin ultrasound" 1 => "Basal cell carcinoma" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec364138" "palabras" => array:2 [ 0 => "Ecografía cutánea" 1 => "Carcinoma basocelular" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:2 [ "titulo" => "Abstract" "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0010">Introduction and objectives</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Accurate subtyping of basal cell carcinoma (BCC) is crucial for the effective management of this disease and it is particularly important to distinguish between aggressive and nonaggressive histologic variants. Histologic subtype is not always accurately identified by biopsy and this can have serious implications. High-resolution ultrasound (HRUS) is a recent technique that has proven to be of value in differentiating between variants of BCC. The aim of this study was to investigate the potential usefulness of HRUS for detecting invasive disease in recurrent BCC treated nonsurgically following an initial diagnosis of noninvasive BCC by biopsy.</p> <span class="elsevierStyleSectionTitle" id="sect0015">Material and methods</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">This was a prospective observational study of consecutive cases of BCC with clinical suspicion of recurrence following nonsurgical treatment and a pretreatment diagnosis of superficial BCC by punch biopsy. Before surgical excision, the recurrent lesions were evaluated by HRUS followed by a punch biopsy of the site of suspected recurrence. The diagnostic agreement between HRUS, punch biopsy, and excisional biopsy was then evaluated.</p> <span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Eight lesions were studied. HRUS identified invasive disease in 3 of the 4 cases that were incorrectly classified as superficial subtypes by punch biopsy.</p> <span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">HRUS could be useful for detecting persistent tumor after nonsurgical treatment and for choosing the site most likely to harbor invasive disease for punch biopsy.</p>" ] "es" => array:2 [ "titulo" => "Resumen" "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0035">Introducción y objetivos</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">La determinación del subtipo histológico de carcinoma basocelular (CBC) es crucial en el adecuado abordaje del mismo (sobre todo diferenciar variantes agresivas de no agresivas). En ocasiones la biopsia falla en la correcta catalogación del mismo con sus conocidas consecuencias. La ecografía cutánea de alta frecuencia (ECAF) es una técnica reciente que ha mostrado potencialidad en la distinción de variantes de CBC. El objetivo del estudio fue mostrar la posible utilidad de la ECAF en la identificación de la invasividad del CBC recurrente tras tratamientos no quirúrgicos diagnosticados mediante biopsia como no invasivos.</p> <span class="elsevierStyleSectionTitle" id="sect0040">Material y métodos</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Estudio observacional, prospectivo de casos consecutivos de CBC con sospecha clínica de recurrencia tras tratamiento no quirúrgico y que previamente a dicho tratamiento habían sido diagnosticados por biopsia-<span class="elsevierStyleItalic">punch</span> como variantes superficiales. Previamente a la extirpación quirúrgica de los mismos se realizó una ecografía de la lesión y posteriormente un <span class="elsevierStyleItalic">punch</span> de la zona sospechosa de persistencia. Finalmente se estudió la tasa de concordancia entre los resultados diagnósticos de cada una de las pruebas (ECAF, biopsia-<span class="elsevierStyleItalic">punch</span> y biopsia escisional).</p> <span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Se incluyeron 8 casos. De entre los 4 casos en los que la biopsia-<span class="elsevierStyleItalic">punch</span> realizó una mala clasificación de invasividad (eran realmente subtipos invasivos pero la biopsia-<span class="elsevierStyleItalic">punch</span> determinó subtipos superficiales), la ECAF fue capaz de detectar dicha invasividad en 3 de ellos.</p> <span class="elsevierStyleSectionTitle" id="sect0050">Conclusión</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">La ECAF podría ser de utilidad en la detección de persistencias tumorales de CBC tras tratamientos no quirúrgicos, permitiendo guiar la biopsia-punch en la detección del área más sospechosa de infiltración.</p>" ] ] "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Hernández-Ibáñez C, Aguilar-Bernier M, Fúnez-Liébana R, del Boz J, Blázquez N, de Troya M. Utilidad de la ecografía cutánea en el diagnóstico de invasividad del carcinoma basocelular recurrente tras tratamiento no quirúrgico. Actas Dermosifiliogr. 2014;105:935–939.</p>" ] ] "multimedia" => array:6 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 437 "Ancho" => 999 "Tamanyo" => 149711 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Case 5. Woman aged 71 years with basal cell carcinoma on her back. A, Ultrasound image (20<span class="elsevierStyleHsp" style=""></span>Mhz) of the lesion showing a poorly defined subepidermal oval hypoechoic structure, from which arises a poorly defined hypoechoic extension that invades the underlying dermis and is compatible with infiltration. B, Histologic image of the lesion (hematoxylin-eosin, original magnification<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>4). The nests of basaloid cells infiltrating the underlying dermis are compatible with infiltrative basal cell carcinoma.</p>" ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 645 "Ancho" => 1000 "Tamanyo" => 143890 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Case 6. Woman aged 50 with basal cell carcinoma on her chest. A, Ultrasound image (20<span class="elsevierStyleHsp" style=""></span>Mhz) of the lesion showing a flattened subepidermal hypoechoic structure, underneath which we can see another poorly defined hypoechoic formation that invades the underlying dermis until it reaches the dermal-epidermal junction and is suggestive of inflammation (orange circle). B, Histologic image of the lesion (hematoxylin-eosin, original magnification<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>10) showing the infiltrative component invading the underlying dermis.</p>" ] ] 2 => array:7 [ "identificador" => "fig0015" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 508 "Ancho" => 1000 "Tamanyo" => 144416 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Case 8. Man aged 74 years with basal cell carcinoma on the parietal scalp. A, Ultrasound image (20<span class="elsevierStyleHsp" style=""></span>Mhz) of the lesion showing a flattened subepidermal hypoechoic structure with no hypoechoic extensions invading the underlying dermis suggestive of inflammation (red arrow). The area highlighted in blue shows intense hyperechogenicity in the dermis representing intense fibrosis. This may be the reason why tumor infiltration was not detected.</p>" ] ] 3 => array:7 [ "identificador" => "fig0020" "etiqueta" => "Figure 4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr4.jpeg" "Alto" => 368 "Ancho" => 1000 "Tamanyo" => 129858 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Case 4. Man aged 68 with basal cell carcinoma on his chest. A, Ultrasound image (20<span class="elsevierStyleHsp" style=""></span>Mhz) showing an irregular subepidermal hypoechoic structure with poorly defined margins and deep irregular hypoechoic extensions suggestive of infiltration. B, Histologic image of the lesion (hematoxylin-eosin, original magnification ×<span class="elsevierStyleHsp" style=""></span>10) showing the presence of an inflamed infundibular cyst adjacent to the lesion that was incorrectly interpreted as tumor infiltration in the skin ultrasound.</p>" ] ] 4 => array:7 [ "identificador" => "tbl0005" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Case \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Sex \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Age, y \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Area, mm<span class="elsevierStyleSup">2</span> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Site of Lesion \t\t\t\t\t\t\n \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Male \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">41 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">250 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chest \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Female \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">67 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">150 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Cheek \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Female \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">82 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">205 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Forearm \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Male \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">68 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">452 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chest \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Female \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">71 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">150 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Back \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Female \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">50 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">105 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chest \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Male \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">76 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">350 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Shoulder \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">8 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Male \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">74 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">225 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Parietal scalp \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab590387.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">Clinical Characteristics of the Study Patients.</p>" ] ] 5 => array:7 [ "identificador" => "tbl0010" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Case \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">HRUS \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Punch Biopsy of Recurrence \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Excisional Biopsy \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Agreement: Punch and Excisional Biopsy \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Agreement: HRUS and Excisional Biopsy \t\t\t\t\t\t\n \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Aggressive: infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Nonaggressive: superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No neoplasia \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No neoplasia \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Aggressive: infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Aggressive: infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Aggressive: infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Aggressive: infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Aggressive: infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Yes \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">8 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Nonaggressive: superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Superficial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Infiltrative \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">No \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab590386.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">Results of the Diagnostic Tests.</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:18 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Comparative epidemiological study of non-melanoma skin cancer between Spanish and north and central European residents on the Costa del Sol" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => "M. 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| Year/Month | Html | Total | |
|---|---|---|---|
| 2024 November | 9 | 10 | 19 |
| 2024 October | 67 | 49 | 116 |
| 2024 September | 67 | 23 | 90 |
| 2024 August | 109 | 61 | 170 |
| 2024 July | 68 | 31 | 99 |
| 2024 June | 73 | 27 | 100 |
| 2024 May | 75 | 34 | 109 |
| 2024 April | 70 | 27 | 97 |
| 2024 March | 83 | 28 | 111 |
| 2024 February | 56 | 32 | 88 |
| 2024 January | 40 | 34 | 74 |
| 2023 December | 56 | 15 | 71 |
| 2023 November | 58 | 32 | 90 |
| 2023 October | 55 | 15 | 70 |
| 2023 September | 39 | 24 | 63 |
| 2023 August | 35 | 10 | 45 |
| 2023 July | 41 | 38 | 79 |
| 2023 June | 51 | 17 | 68 |
| 2023 May | 62 | 28 | 90 |
| 2023 April | 46 | 22 | 68 |
| 2023 March | 50 | 25 | 75 |
| 2023 February | 52 | 27 | 79 |
| 2023 January | 37 | 28 | 65 |
| 2022 December | 51 | 43 | 94 |
| 2022 November | 34 | 30 | 64 |
| 2022 October | 18 | 21 | 39 |
| 2022 September | 28 | 34 | 62 |
| 2022 August | 20 | 32 | 52 |
| 2022 July | 25 | 49 | 74 |
| 2022 June | 17 | 19 | 36 |
| 2022 May | 29 | 29 | 58 |
| 2022 April | 38 | 35 | 73 |
| 2022 March | 36 | 44 | 80 |
| 2022 February | 32 | 22 | 54 |
| 2022 January | 37 | 32 | 69 |
| 2021 December | 32 | 18 | 50 |
| 2021 November | 27 | 46 | 73 |
| 2021 October | 33 | 35 | 68 |
| 2021 September | 29 | 32 | 61 |
| 2021 August | 23 | 29 | 52 |
| 2021 July | 39 | 35 | 74 |
| 2021 June | 32 | 23 | 55 |
| 2021 May | 33 | 13 | 46 |
| 2021 April | 57 | 40 | 97 |
| 2021 March | 67 | 19 | 86 |
| 2021 February | 41 | 31 | 72 |
| 2021 January | 26 | 17 | 43 |
| 2020 December | 29 | 16 | 45 |
| 2020 November | 26 | 7 | 33 |
| 2020 October | 22 | 4 | 26 |
| 2020 September | 23 | 5 | 28 |
| 2020 August | 18 | 15 | 33 |
| 2020 July | 25 | 12 | 37 |
| 2020 June | 26 | 21 | 47 |
| 2020 May | 34 | 22 | 56 |
| 2020 April | 26 | 12 | 38 |
| 2020 March | 22 | 22 | 44 |
| 2020 February | 2 | 0 | 2 |
| 2020 January | 4 | 2 | 6 |
| 2019 December | 8 | 0 | 8 |
| 2019 November | 4 | 6 | 10 |
| 2019 October | 1 | 7 | 8 |
| 2019 September | 9 | 0 | 9 |
| 2019 August | 4 | 2 | 6 |
| 2019 July | 2 | 4 | 6 |
| 2019 June | 5 | 21 | 26 |
| 2019 May | 2 | 21 | 23 |
| 2019 April | 0 | 14 | 14 |
| 2019 March | 2 | 4 | 6 |
| 2019 February | 0 | 3 | 3 |
| 2019 January | 3 | 1 | 4 |
| 2018 December | 0 | 7 | 7 |
| 2018 October | 3 | 0 | 3 |
| 2018 September | 2 | 0 | 2 |
| 2018 August | 0 | 3 | 3 |
| 2018 July | 0 | 2 | 2 |
| 2018 June | 0 | 2 | 2 |
| 2018 May | 0 | 2 | 2 |
| 2018 March | 1 | 1 | 2 |
| 2018 February | 18 | 3 | 21 |
| 2018 January | 34 | 3 | 37 |
| 2017 December | 28 | 5 | 33 |
| 2017 November | 29 | 6 | 35 |
| 2017 October | 18 | 3 | 21 |
| 2017 September | 17 | 7 | 24 |
| 2017 August | 27 | 15 | 42 |
| 2017 July | 25 | 1 | 26 |
| 2017 June | 29 | 15 | 44 |
| 2017 May | 19 | 9 | 28 |
| 2017 April | 23 | 7 | 30 |
| 2017 March | 17 | 31 | 48 |
| 2017 February | 13 | 13 | 26 |
| 2017 January | 14 | 21 | 35 |
| 2016 December | 21 | 5 | 26 |
| 2016 November | 29 | 12 | 41 |
| 2016 October | 31 | 20 | 51 |
| 2016 September | 0 | 6 | 6 |
| 2016 August | 0 | 7 | 7 |
| 2016 July | 8 | 1 | 9 |
| 2016 June | 16 | 3 | 19 |
| 2016 May | 16 | 5 | 21 |
| 2016 April | 15 | 1 | 16 |
| 2016 March | 13 | 5 | 18 |
| 2016 February | 15 | 10 | 25 |
| 2016 January | 7 | 15 | 22 |
| 2015 December | 5 | 5 | 10 |
| 2015 November | 2 | 1 | 3 |
| 2015 October | 8 | 2 | 10 |
| 2015 September | 16 | 1 | 17 |
| 2015 August | 16 | 2 | 18 |
| 2015 July | 22 | 3 | 25 |
| 2015 June | 13 | 6 | 19 |
| 2015 May | 6 | 7 | 13 |
| 2015 April | 4 | 6 | 10 |
| 2015 March | 20 | 6 | 26 |
| 2015 February | 25 | 3 | 28 |
| 2015 January | 5 | 6 | 11 |
| 2014 December | 5 | 2 | 7 |
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