Rhinosinusal myiasis by Oestrus ovis third stage larva / Miasis rinosinusal por larva de Oestrus ovis de tercer estadio

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Enterocytozoon bieneusi multiorgan microsporidiosis in a HIV-infected patient.

Multiorgan microsporidiosis due to Enterocytozoon bieneusi was diagnosed in an HIV-infected patient. The parasite was found and identified as E. bieneusi by transmission electron microscopy in stools, duodenal biopsy, nasal discharge and sputum. No clinical improvement or parasite eradication was obtained after albendazole therapy, but the patient remained alive 9 months after diagnosis.

Disseminated microsporidiosis due to Septata intestinalis in nine patients infected with the human immunodeficiency virus: response to therapy with albendazole.

Disseminated microsporidiosis due to the newly described species Septata intestinalis in nine patients infected with human immunodeficiency virus is described. All patients were male homosexuals; the mean age was 41 years (range, 35-58 years). They were all severely immunocompromised, with a mean CD4 lymphocyte count of 15/mm3 (range, 0-32/mm3). Infection by S. intestinalis was seen in duodenal biopsy specimens from all patients, and dissemination was demonstrated by the presence of microsporidial spores in urine (9 of 9 patients), sinonasal secretions and/or nasal mucosal biopsy specimens (6 of 6), and sputum (6 of 6). Seven patients were treated with albendazole (400 mg twice daily), resulting in significant dissipation or complete resolution of diarrhea for six patients and abatement of symptoms for the six patients with chronic rhinosinusitis. There was a parallel parasitological response, with clearance of S. intestinalis infection from almost all sites.