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Detalle de la tricodermatoscopia con varios «pelos en coma» (círculos) (dermatoscopio de mano Dermlite II Pro, cámara Sony DSC-W55<span class="elsevierStyleSup">®</span>, × 40).</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "P. Hernández-Bel, J. Malvehy, A. Crocker, J.L. Sánchez-Carazo, I. Febrer, V. Alegre" "autores" => array:6 [ 0 => array:2 [ "nombre" => "P." "apellidos" => "Hernández-Bel" ] 1 => array:2 [ "nombre" => "J." "apellidos" => "Malvehy" ] 2 => array:2 [ "nombre" => "A." "apellidos" => "Crocker" ] 3 => array:2 [ "nombre" => "J.L." "apellidos" => "Sánchez-Carazo" ] 4 => array:2 [ "nombre" => "I." "apellidos" => "Febrer" ] 5 => array:2 [ "nombre" => "V." 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A, Computed tomography (CT) scan performed on November 23, 2009, prior to treatment. B, CT scan performed on March 2, 2010, after 3 months of treatment with imatinib.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "R. Botella-Estrada, V. Soriano, L. Rubio, E. Nagore" "autores" => array:4 [ 0 => array:2 [ "nombre" => "R." "apellidos" => "Botella-Estrada" ] 1 => array:2 [ "nombre" => "V." "apellidos" => "Soriano" ] 2 => array:2 [ "nombre" => "L." "apellidos" => "Rubio" ] 3 => array:2 [ "nombre" => "E." 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Hernández-Bel, J. Malvehy, A. Crocker, J.L. Sánchez-Carazo, I. Febrer, V. Alegre" "autores" => array:6 [ 0 => array:4 [ "nombre" => "P." "apellidos" => "Hernández-Bel" "email" => array:1 [ 0 => "pablohernandezbel@hotmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">¿</span>" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "J." "apellidos" => "Malvehy" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] 2 => array:3 [ "nombre" => "A." "apellidos" => "Crocker" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff0015" ] ] ] 3 => array:3 [ "nombre" => "J.L." "apellidos" => "Sánchez-Carazo" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 4 => array:3 [ "nombre" => "I." "apellidos" => "Febrer" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 5 => array:3 [ "nombre" => "V." "apellidos" => "Alegre" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:3 [ 0 => array:3 [ "entidad" => "Servicio de Dermatología, Consorcio Hospital General Universitario de Valencia, Valencia, Spain" "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Unidad de Melanoma, Departamento de Dermatología, Hospital Clínic, Barcelona, Spain" "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] 2 => array:3 [ "entidad" => "Instituto Dermatológico de Jalisco Dr. José Barba Rubio, Jalisco, Maxico" "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff0015" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Un nuevo marcador dermatoscópico de tinea capitis: «pelos en coma»" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0015" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 1382 "Ancho" => 1674 "Tamanyo" => 112936 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Differential diagnosis based on dermoscopic findings.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Dermoscopy is mainly used to analyze pigmented lesions, but in recent years many studies have been published showing the usefulness of this tool in the evaluation of hair and scalp disorders.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> While most of the studies have focused on the characteristic dermoscopic features of different types of alopecia, in particular alopecia areata and androgenetic alopecia,<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1,2</span></a> there have been recent reports describing comma hairs as a dermoscopic marker of tinea capitis.<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> Tinea capitis, a dermatophyte infection of the scalp, is still relatively common in routine dermatology practice. It mostly affects children, generally aged between 3 and 7 years,<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> and trichoscopy may therefore be a very useful diagnostic tool in this setting because it is quick, reliable, inexpensive, and noninvasive.<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> We describe 2 patients with tinea capitis and multiple comma hairs as a characteristic dermoscopic finding.</p><p id="par0010" class="elsevierStylePara elsevierViewall">The first patient was a 9-year-old boy with a 10-month history of lesions on the scalp and face. The boy was originally from a village in Bolivia where he had had frequent contact with animals. Physical examination revealed fine whitish scale on the scalp and several plaques of alopecia with marked hair fragility on the hair pull test. The boy also had several erythematous, scaly plaques with irregular but well-defined borders on his face. There were no palpable lymph nodes in the lateral cervical chains. Dermoscopic evaluation of the hair structures showed multiple broken hairs as well as hairs with a characteristic comma-like shape (uniform thickness and color and marked distal angulation) (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>). Direct examination with potassium hydroxide and microbiological culture confirmed the presence of a zoophilic fungus, identified as <span class="elsevierStyleItalic">Trichophyton verrucosum</span>. The patient was administered oral griseofulvin at a dosage of 20<span class="elsevierStyleHsp" style=""></span>mg/kg/d for 8 weeks. At follow-up 4 months later, the lesions had cleared completely, and there was no evidence of residual scarring alopecia.</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">The second case is that of a 2-year-old boy from Senegal who was brought in for evaluation of several plaques of alopecia that had been present on the scalp for 6 months. The hair pull test was positive. On dermoscopic examination, there were multiple hairs with a characteristic comma shape (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>). Direct examination with potassium hydroxide was positive, but no fungi were isolated in the culture. The condition resolved completely with 8 weeks treatment of oral griseofulvin at 15<span class="elsevierStyleHsp" style=""></span>mg/kg/d.</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0020" class="elsevierStylePara elsevierViewall">Tinea capitis is a common scalp infection in children. It is caused by different dermatophyte species of the genera <span class="elsevierStyleItalic">Trichophyton</span> and <span class="elsevierStyleItalic">Microsporum</span> and has a prevalence of approximately 1% in developed countries. The condition should be suspected in patients with a single or several small plaques of alopecia accompanied by broken hairs, desquamation, and itching.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> The differential diagnosis of hair loss in children should include tinea capitis, alopecia areata, traction alopecia, trichotillomania, and loose anagen syndrome, although in this last case, there is generally diffuse hair loss due to traction and an absence of itching and desquamation.<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a> Trichoscopy is also a very useful tool in many of these conditions and offers better diagnostic performance than simple clinical inspection as it can reveal distinctive features<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1,2,7</span></a> (<a class="elsevierStyleCrossRef" href="#fig0015">Fig. 3</a>). Characteristic findings in trichotillomania are hairs with a similar diameter, black dots, broken hairs of differing lengths, and coiled hairs (due to traction). In alopecia areata, dermoscopy shows smaller hair follicles, yellow dots, and exclamation mark hairs.<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> In the 15 cases of tinea capitis evaluated by dermoscopy in the literature, the distinctive features were broken hairs and comma hairs. Comma hairs correspond to hair shafts that have ruptured because of the presence of multiple hyphae; they have a uniform thickness and color and marked distal angulation.<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3,5,8</span></a> Corkscrew hairs were recently proposed as a new dermoscopic marker of tinea capitis in black children, in whom clinical features can occasionally be more difficult to see.<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> Of the 15 cases published to date of tinea capitis with comma hairs as a distinctive feature, 4 were caused by <span class="elsevierStyleItalic">Microsporum canis</span>, 1 by <span class="elsevierStyleItalic">Microsporum langeronii</span>, 4 by <span class="elsevierStyleItalic">Trichophyton soudanense</span>, 2 by <span class="elsevierStyleItalic">Trichophyton tonsurans</span>, and 1 by <span class="elsevierStyleItalic">Trichophyton violaceum</span>. The causative dermatophyte was not identified in 3 cases. None of the cases were due to <span class="elsevierStyleItalic">T verrucosum</span>, which was the fungus isolated in our first case.</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">In conclusion, we have described 2 cases of tinea capitis with comma hairs, a possible dermoscopic marker of this condition. We consider that trichoscopy is an effective, quick, cheap, and noninvasive tool that can aid in the diagnosis of tinea capitis.</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara">Hernández-Bel P, et al. Un nuevo marcador dermatoscópico de tinea capitis: «pelos en coma». Actas Dermosifiliogr. 2012;103:837-8.</p>" ] ] "multimedia" => array:3 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1187 "Ancho" => 1587 "Tamanyo" => 199467 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Scaling plaque of alopecia in the occipital region. Detail of dermoscopic image showing several comma hairs (in circles) (handheld Dermlite II Pro dermoscope and Sony DSC-W55 camera, original magnification<span class="elsevierStyleHsp" style=""></span>×40).</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" => 1187 "Ancho" => 1583 "Tamanyo" => 229578 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Several plaques of alopecia in the parieto-occipital region. Numerous comma hairs (arrows) are seen in the dermoscopic image (handheld Dermlite II Pro dermatoscope and Sony DSC-W55 camera, original magnification<span class="elsevierStyleHsp" style=""></span>×20).</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" => 1382 "Ancho" => 1674 "Tamanyo" => 112936 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Differential diagnosis based on dermoscopic findings.</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:9 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Videodermoscopy in the evaluation of hair and scalp disorders" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:3 [ 0 => "E.K. 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Torres" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:6 [ "tituloSerie" => "Actas Dermosifiliogr" "fecha" => "2009" "volumen" => "100" "paginaInicial" => "114" "paginaFinal" => "119" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/20096205" "web" => "Medline" ] ] ] ] ] ] ] ] 7 => array:3 [ "identificador" => "bib0040" "etiqueta" => "8" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Tinea capitis mimicking folliculitis decalvans" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:5 [ 0 => "C. Tangjaturonrusamee" 1 => "B.M. Piraccini" 2 => "C. Vincenzi" 3 => "M. Starace" 4 => "A. 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Lacour" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1001/archdermatol.2011.31" "Revista" => array:6 [ "tituloSerie" => "Arch Dermatol" "fecha" => "2011" "volumen" => "147" "paginaInicial" => "355" "paginaFinal" => "356" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/21422348" "web" => "Medline" ] ] ] ] ] ] ] ] ] ] ] ] "agradecimientos" => array:1 [ 0 => array:3 [ "identificador" => "xack35266" "titulo" => "Acknowledgments" "texto" => "<p id="par0030" class="elsevierStylePara elsevierViewall">We thank Dr Javier Pemán, from the Department of Microbiology at Hospital Universitari i Politècnic La Fe de Valencia, Spain for his contribution to the first case.</p>" ] ] ] "idiomaDefecto" => "en" "url" => "/15782190/0000010300000009/v1_201304241357/S1578219012002843/v1_201304241357/en/main.assets" "Apartado" => array:4 [ "identificador" => "6157" "tipo" => "SECCION" "en" => array:2 [ "titulo" => "Case and Research Letters" "idiomaDefecto" => true ] "idiomaDefecto" => "en" ] "PDF" => "https://static.elsevier.es/multimedia/15782190/0000010300000009/v1_201304241357/S1578219012002843/v1_201304241357/en/main.pdf?idApp=UINPBA000044&text.app=https://actasdermo.org/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1578219012002843?idApp=UINPBA000044" ]
año/Mes | Html | Total | |
---|---|---|---|
2024 Noviembre | 30 | 13 | 43 |
2024 Octubre | 252 | 77 | 329 |
2024 Septiembre | 297 | 69 | 366 |
2024 Agosto | 383 | 104 | 487 |
2024 Julio | 207 | 53 | 260 |
2024 Junio | 170 | 58 | 228 |
2024 Mayo | 189 | 122 | 311 |
2024 Abril | 138 | 40 | 178 |
2024 Marzo | 195 | 42 | 237 |
2024 Febrero | 208 | 42 | 250 |
2024 Enero | 207 | 40 | 247 |
2023 Diciembre | 333 | 24 | 357 |
2023 Noviembre | 368 | 37 | 405 |
2023 Octubre | 423 | 45 | 468 |
2023 Septiembre | 341 | 45 | 386 |
2023 Agosto | 290 | 42 | 332 |
2023 Julio | 349 | 54 | 403 |
2023 Junio | 310 | 34 | 344 |
2023 Mayo | 345 | 37 | 382 |
2023 Abril | 353 | 44 | 397 |
2023 Marzo | 370 | 38 | 408 |
2023 Febrero | 292 | 44 | 336 |
2023 Enero | 252 | 46 | 298 |
2022 Diciembre | 230 | 40 | 270 |
2022 Noviembre | 157 | 37 | 194 |
2022 Octubre | 194 | 32 | 226 |
2022 Septiembre | 195 | 37 | 232 |
2022 Agosto | 145 | 33 | 178 |
2022 Julio | 122 | 38 | 160 |
2022 Junio | 82 | 39 | 121 |
2022 Mayo | 161 | 38 | 199 |
2022 Abril | 209 | 42 | 251 |
2022 Marzo | 226 | 48 | 274 |
2022 Febrero | 224 | 33 | 257 |
2022 Enero | 331 | 39 | 370 |
2021 Diciembre | 183 | 51 | 234 |
2021 Noviembre | 198 | 48 | 246 |
2021 Octubre | 218 | 49 | 267 |
2021 Septiembre | 173 | 46 | 219 |
2021 Agosto | 188 | 56 | 244 |
2021 Julio | 167 | 35 | 202 |
2021 Junio | 175 | 38 | 213 |
2021 Mayo | 182 | 64 | 246 |
2021 Abril | 325 | 98 | 423 |
2021 Marzo | 214 | 27 | 241 |
2021 Febrero | 158 | 44 | 202 |
2021 Enero | 121 | 36 | 157 |
2020 Diciembre | 91 | 18 | 109 |
2020 Noviembre | 102 | 21 | 123 |
2020 Octubre | 85 | 26 | 111 |
2020 Septiembre | 78 | 16 | 94 |
2020 Agosto | 60 | 20 | 80 |
2020 Julio | 58 | 27 | 85 |
2020 Junio | 57 | 32 | 89 |
2020 Mayo | 43 | 34 | 77 |
2020 Abril | 53 | 27 | 80 |
2020 Marzo | 39 | 36 | 75 |
2020 Febrero | 7 | 9 | 16 |
2020 Enero | 2 | 14 | 16 |
2019 Diciembre | 4 | 19 | 23 |
2019 Noviembre | 4 | 12 | 16 |
2019 Octubre | 0 | 17 | 17 |
2019 Septiembre | 4 | 10 | 14 |
2019 Agosto | 4 | 7 | 11 |
2019 Julio | 4 | 12 | 16 |
2019 Junio | 3 | 30 | 33 |
2019 Mayo | 4 | 66 | 70 |
2019 Abril | 3 | 43 | 46 |
2019 Marzo | 0 | 12 | 12 |
2019 Febrero | 2 | 2 | 4 |
2019 Enero | 0 | 5 | 5 |
2018 Diciembre | 4 | 6 | 10 |
2018 Noviembre | 1 | 2 | 3 |
2018 Septiembre | 5 | 6 | 11 |
2018 Agosto | 0 | 5 | 5 |
2018 Julio | 0 | 7 | 7 |
2018 Junio | 0 | 2 | 2 |
2018 Mayo | 0 | 5 | 5 |
2018 Abril | 0 | 3 | 3 |
2018 Marzo | 28 | 6 | 34 |
2018 Febrero | 118 | 11 | 129 |
2018 Enero | 121 | 11 | 132 |
2017 Diciembre | 122 | 17 | 139 |
2017 Noviembre | 123 | 22 | 145 |
2017 Octubre | 124 | 8 | 132 |
2017 Septiembre | 112 | 17 | 129 |
2017 Agosto | 96 | 19 | 115 |
2017 Julio | 115 | 20 | 135 |
2017 Junio | 130 | 23 | 153 |
2017 Mayo | 100 | 27 | 127 |
2017 Abril | 57 | 24 | 81 |
2017 Marzo | 51 | 19 | 70 |
2017 Febrero | 132 | 22 | 154 |
2017 Enero | 101 | 17 | 118 |
2016 Diciembre | 105 | 13 | 118 |
2016 Noviembre | 181 | 31 | 212 |
2016 Octubre | 169 | 23 | 192 |
2016 Septiembre | 223 | 41 | 264 |
2016 Agosto | 251 | 16 | 267 |
2016 Julio | 108 | 20 | 128 |
2016 Junio | 16 | 16 | 32 |
2016 Mayo | 7 | 10 | 17 |
2016 Abril | 14 | 1 | 15 |
2016 Marzo | 13 | 21 | 34 |
2016 Febrero | 7 | 13 | 20 |
2016 Enero | 7 | 1 | 8 |
2015 Diciembre | 10 | 2 | 12 |
2015 Noviembre | 40 | 3 | 43 |
2015 Octubre | 64 | 1 | 65 |
2015 Septiembre | 70 | 3 | 73 |
2015 Agosto | 61 | 3 | 64 |
2015 Julio | 231 | 22 | 253 |
2015 Junio | 167 | 10 | 177 |
2015 Mayo | 178 | 25 | 203 |
2015 Abril | 150 | 17 | 167 |
2015 Marzo | 121 | 13 | 134 |
2015 Febrero | 139 | 6 | 145 |
2015 Enero | 107 | 12 | 119 |
2014 Diciembre | 109 | 12 | 121 |
2014 Noviembre | 118 | 7 | 125 |
2014 Octubre | 95 | 3 | 98 |
2014 Septiembre | 76 | 8 | 84 |
2014 Agosto | 75 | 3 | 78 |
2014 Julio | 60 | 4 | 64 |
2014 Junio | 91 | 6 | 97 |
2014 Mayo | 91 | 8 | 99 |
2014 Abril | 89 | 9 | 98 |
2014 Marzo | 77 | 26 | 103 |
2014 Febrero | 63 | 17 | 80 |
2014 Enero | 66 | 25 | 91 |
2013 Diciembre | 74 | 25 | 99 |
2013 Noviembre | 71 | 24 | 95 |
2013 Octubre | 55 | 11 | 66 |
2013 Septiembre | 49 | 19 | 68 |
2013 Agosto | 44 | 20 | 64 |
2013 Julio | 17 | 45 | 62 |
2013 Junio | 12 | 24 | 36 |
2013 Mayo | 19 | 42 | 61 |
2013 Abril | 10 | 32 | 42 |
2013 Marzo | 22 | 21 | 43 |
2013 Febrero | 35 | 16 | 51 |
2013 Enero | 33 | 13 | 46 |
2012 Diciembre | 27 | 11 | 38 |
2012 Noviembre | 1 | 1 | 2 |