Larva migrans: una revisión / Larva migrans: a review

El síndrome de la larva migrans abarca las parasitosis causadas por los nematodos de los géneros Uncinaria, Ancylostoma, Necator y Gnathostoma. Se ha descrito más comúnmente en lugares con climas calurosos. Se estima que 1.200 millones de personas alrededor del mundo han adquirido la infección en algún momento. La larva migrans cutánea causada por Ancylostoma caninum y A. Vrasiliense se caracteriza por trayectos eritematosos, ligeramente elevados, lineales o serpiginosos en patrones irregulares. El diagnóstico es eminentemente clínico. Es útil la biometría hemática y herramientas auxiliares como la entodermoscopia, la microscopia confocal y la biología molecular. El tratamiento más efectivo son los antiparasitarios por vía oral en especial la ivermectina.

Larva migrans syndrome includes parasitic diseases caused by nematodes of gender Uncinaria, Ancylostoma, Necator and Gnathostoma. It has been reported in tropical countries with an estimated incidence of 1.2 billon infected people around the world.Cutaneous larva migrans due to Ancylostoma caninum and A. brasiliense is characterized by erythematous linear or serpiginous sinuous tracts. Diagnosis is always done by its typical clinical features, and it can also be useful the hemathologic counts, dermoscopy, confocal microscopy and molecular biology. The most effective treatments are oral antiparasitic drugs especially ivermectin.

[Deep sweet syndrome as a cause or fever of unknown origin. A case report and literature review]. / Síndrome de Sweet subcutáneo como causa de fiebre de origen desconocido. Informe de un caso y revisión de la literatura.

Sweet syndrome is the prototype of neutrophilic dermatosis, which typically presents an intense inflammatory infiltrate of neutrophils in the epidermis and/or dermis, apparently due to a hypersensitivity reaction. This is a case of a 31 year-old woman with fever of more than three weeks duration and erythematous nudosities on her arms and legs. The histological study of a skin lesion showed a lobular inflammatory infiltrate of lymphocytes and neutrophils, with excellent response to prednisone. Therefore, it was concluded as subcutaneous sweet syndrome.