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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">A 33-year-old woman of Peruvian nationality was admitted to the intensive care unit with a pulmonary embolism&#46; While admitted to the hospital&#44; she presented multiple complications&#44; such as consecutive episodes of sepsis due to <span class="elsevierStyleItalic">Escherichia coli</span>&#44; <span class="elsevierStyleItalic">Klebsiella</span><span class="elsevierStyleItalic">pneumoniae</span>&#44; and <span class="elsevierStyleItalic">Pseudomonas aeruginosa</span>&#44; which required hemodynamic support&#44; mechanical ventilation&#44; and broad antibiotic coverage&#46; Seven weeks after admission&#44; a dermatologic assessment was requested due to skin lesions that had appeared on the torso and later spread to the proximal part of the lower limbs&#46; The week prior to admission&#44; the patient had undergone surgery for a suprasellar meningioma&#44; with no immediate complications&#44; after which she was prescribed high-dose corticosteroid treatment&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">The physical examination revealed exanthema consisting of nonpalpable petechiae&#44; grouped in a reticular pattern&#44; in the periumbilical region and on the anterior and proximal surfaces of both thighs&#59; the petechiae did not fade under glass &#40;<a class="elsevierStyleCrossRefs" href="#fig0005">Figs&#46; 1 and 2</a>&#41;&#46; Histopathology revealed a moderate perivascular infiltrate in the superficial and deep dermis&#44; with lymphocytes and eosinophils&#46; Moreover&#44; elongated structures were observed in the deep dermis&#44; among the strands of collagen&#44; with basophilic stippling in their interior&#59; the structures were identified as nematode larvae &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#46; Blood tests revealed anemia and leukocytosis with eosinophilia&#44; and nematode larvae were detected in the microbiologic study of the bronchoalveolar lavage&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">The microorganism was identified as <span class="elsevierStyleItalic">Strongyloides stercoralis</span> and cultures of bronchoalveolar lavage and feces confirmed growth&#59; the patient was therefore diagnosed with <span class="elsevierStyleItalic">Strongyloides</span> hyperinfestation and disseminated strongyloidiasis&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Treatment was instated with ivermectin administered via nasogastric tube&#46; As no improvement was observed in terms of blood tests or parasite load&#44; and in light of suspected poor digestive absorption due to the patient&#39;s critical state and paralytic ileus&#44; the medication was then administered subcutaneously at a dosage of 200<span class="elsevierStyleHsp" style=""></span>&#956;g&#47;kg&#47;d&#44; after requesting compassionate use&#46; The parasite load fell with the treatment&#44; but the patient never recovered from the neurologic clinical symptoms&#44; suffered a continuous series of superinfections&#44; and died&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">Strongyloidiasis is a disease caused by the parasite <span class="elsevierStyleItalic">S&#46; stercoralis&#46;</span> This is a nematode with a global distribution&#44; whose main reservoir is humans&#59; it is endemic in rural areas of tropical and subtropical regions and&#44; in Peru&#44; it is considered to be highly endemic&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">1</span></a> It has 2 reproductive cycles&#44; a free-living cycle in the soil and a parasitic cycle in the host intestine&#46; Thus&#44; in the filariform stage&#44; the larvae penetrate the skin and migrate through the venous system to the lungs and the intestine&#44; where they mature and reproduce&#59; the eggs and larvae are eliminated by the host via the feces&#46; They have the ability to complete their cycle in the human host&#44; produce autoinfection&#44; and evade the host immune response&#44; producing chronic disease lasting decades&#46; In this way&#44; they rarely produce symptoms&#44; except for nonspecific gastrointestinal symptoms accompanied by eosinophilia in blood tests&#46; Systemic dissemination is rare and may occur in immunosuppressed patients&#44; especially during treatment with corticosteroids&#44; with high mortality &#40;between 70&#37; and 90&#37;&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">2</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">Development of disseminated disease should be suspected in patients with a history of travel to areas where the disease is endemic &#40;even when many years have since passed&#41;&#44; a history of corticosteroid therapy&#44; persistent bacteremia with organisms of enteric origin &#40;as the parasites tend to serve as carriers for those organisms&#41;&#44; nonspecific gastrointestinal and respiratory systems&#44; neurological abnormalities&#44; and concomitant infection with other intestinal parasites&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">3</span></a> Eosinophilia is characteristic of the disease&#44; although it may be absent in immunosuppressed patients&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">Cutaneous manifestations are rare and may appear as a purpuric petechial rash&#59; periumbilical petechial rash is a sign of poor prognosis&#44; previously described in the literature&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">4</span></a> The lesions are purpuric&#44; nonpalpable&#44; and take on the appearance of fingerprints&#44; typically located in the periumbilical region and on the anterior surface of the thighs&#46; The biopsy may show parasites around the blood vessels&#44; with no signs of vasculitis&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">5</span></a></p><p id="par0040" class="elsevierStylePara elsevierViewall">The microbiologic diagnosis is based on serology&#44; specific culture in feces&#44; or direct observation of the nematode&#46; The treatment of choice is oral ivermectin at a dosage of 200<span class="elsevierStyleHsp" style=""></span>&#956;g&#47;kg&#47;d&#46;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">6</span></a> On very specific occasions&#44; it is necessary to use the subcutaneous presentation of this drug&#44; especially in cases of gastrointestinal involvement secondary to hyperinfestation with obstruction or paralytic ileus&#44; and in patients with a low level of consciousness&#8212;situations where absorption and tolerance of the orally administered drug are in question&#46; Subcutaneous administration constitutes compassionate use and favorable results have been reported in the literature&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">7</span></a> Thiabendazole and albendazole are therapeutic alternatives&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">As dermatologists&#44; we must suspect strongyloidiasis in the case of a patient with periumbilical petechial rash&#44; especially if the patient has traveled to regions where the disease is endemic and has received immunosuppressant treatment&#44; including oral corticosteroids&#46; It is essential to rule out strongyloidiasis by means of serological screening in at-risk patients before instating immunosuppressant or biologic treatment&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">8</span></a></p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Conflicts of Interest</span><p id="par0050" class="elsevierStylePara elsevierViewall">The authors declare that they have no conflicts of interest&#46;</p></span></span>"
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Vol. 113. Núm. 7.
Páginas T734-T736 (julio - agosto 2022)
Case and Research Letter
Open Access
Periumbilical Petechiae in a Critically Ill Patient: An Important Sign for Dermatologists to Recognize
Lesiones petequiales periumbilicales en paciente crítica, signo a conocer por un dermatólogo
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K. Krasnovskaa,
Autor para correspondencia
khrystyna.kn@gmail.com

Corresponding author.
, E. Sendagorta Cudosa, V. Baena Romerob, F. de la Calle-Prietoc
a Servicio de Dermatología Médico-Quirúrgica y Venereología, Hospital Universitario La Paz, Madrid, Spain
b Servicio de Anatomía Patológica, Hospital Universitario La Paz, Madrid, Spain
c Unidad de Medicina Tropical y del Viajero, CSUR Patología Importada, Hospital Universitario La Paz, Madrid, Spain
Contenido relacionado
K. Krasnovska, E. Sendagorta Cudos, V. Baena Romero, F. de la Calle-Prieto
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To the Editor:

A 33-year-old woman of Peruvian nationality was admitted to the intensive care unit with a pulmonary embolism. While admitted to the hospital, she presented multiple complications, such as consecutive episodes of sepsis due to Escherichia coli, Klebsiellapneumoniae, and Pseudomonas aeruginosa, which required hemodynamic support, mechanical ventilation, and broad antibiotic coverage. Seven weeks after admission, a dermatologic assessment was requested due to skin lesions that had appeared on the torso and later spread to the proximal part of the lower limbs. The week prior to admission, the patient had undergone surgery for a suprasellar meningioma, with no immediate complications, after which she was prescribed high-dose corticosteroid treatment.

The physical examination revealed exanthema consisting of nonpalpable petechiae, grouped in a reticular pattern, in the periumbilical region and on the anterior and proximal surfaces of both thighs; the petechiae did not fade under glass (Figs. 1 and 2). Histopathology revealed a moderate perivascular infiltrate in the superficial and deep dermis, with lymphocytes and eosinophils. Moreover, elongated structures were observed in the deep dermis, among the strands of collagen, with basophilic stippling in their interior; the structures were identified as nematode larvae (Fig. 3). Blood tests revealed anemia and leukocytosis with eosinophilia, and nematode larvae were detected in the microbiologic study of the bronchoalveolar lavage.

Figure 1.

Petechiae grouped in a reticular pattern in the periumbilical region and on both thighs.

(0.07MB).
Figure 2.

Detail of the retiform petechial lesions on the anterior surface of the thigh.

(0.05MB).
Figure 3.

Moderate perivascular inflammatory infiltrate in the dermis with lymphocytes and eosinophils. Elongated structures with interior basophilic stippling in the deep dermis, which correspond to nematode larvae (box).

(0.17MB).

The microorganism was identified as Strongyloides stercoralis and cultures of bronchoalveolar lavage and feces confirmed growth; the patient was therefore diagnosed with Strongyloides hyperinfestation and disseminated strongyloidiasis.

Treatment was instated with ivermectin administered via nasogastric tube. As no improvement was observed in terms of blood tests or parasite load, and in light of suspected poor digestive absorption due to the patient's critical state and paralytic ileus, the medication was then administered subcutaneously at a dosage of 200μg/kg/d, after requesting compassionate use. The parasite load fell with the treatment, but the patient never recovered from the neurologic clinical symptoms, suffered a continuous series of superinfections, and died.

Strongyloidiasis is a disease caused by the parasite S. stercoralis. This is a nematode with a global distribution, whose main reservoir is humans; it is endemic in rural areas of tropical and subtropical regions and, in Peru, it is considered to be highly endemic.1 It has 2 reproductive cycles, a free-living cycle in the soil and a parasitic cycle in the host intestine. Thus, in the filariform stage, the larvae penetrate the skin and migrate through the venous system to the lungs and the intestine, where they mature and reproduce; the eggs and larvae are eliminated by the host via the feces. They have the ability to complete their cycle in the human host, produce autoinfection, and evade the host immune response, producing chronic disease lasting decades. In this way, they rarely produce symptoms, except for nonspecific gastrointestinal symptoms accompanied by eosinophilia in blood tests. Systemic dissemination is rare and may occur in immunosuppressed patients, especially during treatment with corticosteroids, with high mortality (between 70% and 90%).2

Development of disseminated disease should be suspected in patients with a history of travel to areas where the disease is endemic (even when many years have since passed), a history of corticosteroid therapy, persistent bacteremia with organisms of enteric origin (as the parasites tend to serve as carriers for those organisms), nonspecific gastrointestinal and respiratory systems, neurological abnormalities, and concomitant infection with other intestinal parasites.3 Eosinophilia is characteristic of the disease, although it may be absent in immunosuppressed patients.

Cutaneous manifestations are rare and may appear as a purpuric petechial rash; periumbilical petechial rash is a sign of poor prognosis, previously described in the literature.4 The lesions are purpuric, nonpalpable, and take on the appearance of fingerprints, typically located in the periumbilical region and on the anterior surface of the thighs. The biopsy may show parasites around the blood vessels, with no signs of vasculitis.5

The microbiologic diagnosis is based on serology, specific culture in feces, or direct observation of the nematode. The treatment of choice is oral ivermectin at a dosage of 200μg/kg/d.6 On very specific occasions, it is necessary to use the subcutaneous presentation of this drug, especially in cases of gastrointestinal involvement secondary to hyperinfestation with obstruction or paralytic ileus, and in patients with a low level of consciousness—situations where absorption and tolerance of the orally administered drug are in question. Subcutaneous administration constitutes compassionate use and favorable results have been reported in the literature.7 Thiabendazole and albendazole are therapeutic alternatives.

As dermatologists, we must suspect strongyloidiasis in the case of a patient with periumbilical petechial rash, especially if the patient has traveled to regions where the disease is endemic and has received immunosuppressant treatment, including oral corticosteroids. It is essential to rule out strongyloidiasis by means of serological screening in at-risk patients before instating immunosuppressant or biologic treatment.8

Conflicts of Interest

The authors declare that they have no conflicts of interest.

References
[1]
F. Schär, U. Trostdorf, F. Giardina, V. Khieu, S. Muth, H. Marti, et al.
Strongyloides stercoralis: global distribution and risk factors.
PLoS Negl Trop Dis, 7 (2013), pp. e2288
[2]
A.D. Da Silva Citrin, J.A. Guzmán, J. Barros, C.D. Machado-Filho.
Purpuric lesions in an immunocompromised patient: a presentation of disseminated strongyloidiasis.
J Eur Acad Dermatol Venereol, 31 (2017), pp. 380-381
[3]
D.E. Bank, M.E. Grossman, S.R. Kohn, A.D. Rabinowitz.
The thumbprint sign: rapid diagnosis of disseminated strogyloidiasis.
J Am Acad Dermatol, 23 (1990), pp. 324-326
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Purpura due to Strongyloides stercoralis in an immunocompetent patient.
Rev Chilena Infectol, 35 (2018), pp. 445-447
[5]
R.E. Kalb, M.E. Grossman.
Periumbilical purpura in disseminated strongyloidiasis.
JAMA, 256 (1986), pp. 1170-1171
[6]
S.A. Repetto, P. Ruybal, E. Batalla, C. López, V. Fridman, M. Sierra, et al.
Strongyloidiasis outside endemic areas: long-term parasitological and clinical follow-up after ivermectin treatment.
Clin Infect Dis, 66 (2018), pp. 1558-1565
[7]
K. Zeitler, R. Jariwala, R. Restrepo-Jaramillo, S. Kapadia, B. Casanas.
Successful use of subcutaneous ivermectin for the treatment of Strongyloides stercoralis hyperinfection in the setting of small bowel obstruction and paralytic ileus in the immunocompromised population.
[8]
J. González Ramos, M.L. Alonso Pacheco, M. Mora Rillo, P. Herranz Pinto.
Necesidad de cribado de enfermedad de Chagas y de infestación por Strongyloides previo a inicio de terapia biológica en países no endémicos.
Actas Dermosifiliogr, 108 (2017), pp. 373-375
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