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Published on: September 20, 2010
CNS cryptococcoma in an HIV-positive patient
Alcides Troncoso1, Julio Fumagalli, Ruben Shinzato
1University of Buenos Aires, Francisco J Muñiz Hospital, Buenos Aires, Argentina. alcidestr@hotmail.com
Insights
This case report details the first brain cryptococcoma in an AIDS patient in Argentina. Early diagnosis and treatment of this rare intracranial mass are crucial for patient outcomes.
Area of Science:
- Infectious Diseases
- Neurology
- Radiology
Background:
- Cryptococcosis is a significant opportunistic infection in patients with Acquired Immunodeficiency Syndrome (AIDS).
- Intracranial mass lesions are an uncommon but serious complication of cryptococcosis in immunocompromised individuals.
- Accurate diagnosis is essential as other conditions mimic cryptococcoma.
Observation:
- A 28-year-old male with AIDS presented with altered mental status, seizures, and fever.
- Brain imaging revealed an occipital lobe mass lesion.
- Histopathology and culture confirmed Cryptococcus neoformans, diagnosing brain cryptococcoma.
Findings:
- The patient was successfully treated with intravenous amphotericin B followed by oral fluconazole.
- Complete resolution of the intracranial mass and associated edema was achieved.
- This case highlights the successful management of a rare CNS complication in an AIDS patient.
Implications:
- Brain cryptococcoma should be considered in the differential diagnosis of intracranial mass lesions in AIDS patients.
- Timely etiological diagnosis is critical to differentiate from CNS toxoplasmosis, lymphoma, or tuberculoma.
- This case underscores the importance of comprehensive diagnostic workups and targeted therapy for opportunistic infections in immunocompromised patients.
Abstract:
This is the first case of brain cryptococcoma in an AIDS patient reported in Argentina. The patient was a 28-year-old white heterosexual man with AIDS who presented with altered mental status, seizures, visual hallucinations, headache, and fever without significant focal neurological deficit. He had a lumbar puncture, and was treated for cryptococcal meningitis. Subsequent brain CT scanning and MRI disclosed a mass lesion in the occipital lobe. Histopathological examination of biopsy was compatible with cryptococcoma, and tissue culture revealed Cryptococcus neoformans. Resolution of the mass and edema resulted after treatment with intravenous amphotericin B for six weeks, which was followed with maintenance oral fluconazole. Intracranial mass is an uncommon complication in AIDS patients with cryptococcosis, and cryptococcoma should be considered as differential diagnosis of brain mass lesion in these patients. The etiologic diagnosis is necessary because central nervous system (CNS) toxoplasmosis, lymphoma, and tuberculoma can produce similar clinical syndromes and MRI or CT findings to cryptococcoma. Also, these pathologies may coexist with meningeal cryptococcosis.
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