Ectopic cutaneous schistosomiasis - Case report
A 23-year-old female patient, single, nurse, born in and from Maceió/AL reported the\nonset of pruriginous lesions on the abdomen about 2 months before the appointment, with\npartial regression and onset of new lesions on the right scapular region and back two\nweeks later. She mentioned having followed some treatments using topical and oral\nmedications (corticosteroids , antifungals , antibiotics) prescribed by dermatologists\nwithout success. She denied systemic complaints, history of river bathing in childhood\nand adolescence, the last occasion having happened four years ago. At the dermatological\nexamination were found papulous red-brown and shiny coalescent lesions, forming\nzosteriform plaques on the abdomen, back and right scapular region (, and ). Complementary exams: hemogram with eosinophilia\n(13%); biochemistry without alterations; negative parasitological stool exam with 3\nsamples (Hoffman and Kato-Katz); serology for schistosoma mansoni\n(indirect immunofluorescence) was non-reactive; ultrasound of total abdomen\nwithout alterations. Histopathological exam: granulomatous inflammatory infiltrate\ncomposed of lymphocytes, plasmocytes and histiocytes, with rare giant cells surrounding\nparasite eggs (s. mansoni). Interspersed eosinophiles can also be\nobserved. Epidermis without significant alterations (). Treatment: praziquantel 50 mg/kgm single dose. Evolution: total\nregression of lesions after a few months of treatment ().