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  • Title: Renal abscess due to Aspergillus fumigatus as the only sign of disseminated aspergillosis in a patient with AIDS.
    Author: Metta H, Corti M, Redini L, Bruggesser F, Arechavala A, Negroni R, Veliz L.
    Journal: Rev Iberoam Micol; 2010 Sep 30; 27(3):136-9. PubMed ID: 20346298.
    Abstract:
    BACKGROUND: Aspergillus fumigatus can cause a wide variety of clinical syndromes, especially in the three largest immunocompromised groups, such as HIV-infected patients. Primary renal aspergillosis is an extremely rare entity. AIMS: We report an unusual case of renal abscess due to Aspergillus fumigatus in a patient with AIDS. METHODS: We review clinical and laboratory records, and provide follow up of the patient. RESULTS: A 38-year-old man, HIV seropositive, was admitted to our hospital with fever, lumbar pain and respiratory symptoms. Abdominal ultrasound and computerised tomography showed a single and large lesion consistent with an abscess located in the left kidney. Aspergillus fumigatus was isolated from clinical sample obtained by ultrasound-guided needle aspiration. Despite a correct treatment based on amphotericin B and drainage of the abscess, surgery was necessary and nephrectomy was carried out. Histopathological examination of the surgical specimen confirmed the diagnosis of renal aspergillosis. Systemic antifungal therapy based on intravenous and oral voriconazole and highly active antiretroviral therapy was started after surgery. The patient had a good response to the established treatment and he remains in a good clinical condition at one year of follow up. CONCLUSIONS: Combined medical and surgical treatment is the elective therapy for renal abscesses due to Aspergillus when percutaneous drainage and the administration of systemic antifungal drugs, such as amphotericin B and/or oral voriconazole or itraconazole, fail. This case emphasizes renal fungal infections should be included in the differential diagnosis of kidney abscesses in AIDS patients.
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