Cryptococcosis in AIDS patients: observations concerning CNS involvement

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Abstract
The clinical course and response to therapy of seven patients with cryptococcosis and AIDS were reviewed. One patient was still in the primary stage of cryptococcosis in AIDS, i.e. the stage that is characterized by the sole cultural detection of Cryptococcus neoformans in the respiratory tract. The other six patients were in the secondary stage, where C. neoformans can be detected from the cerebrospinal fluid (CSF), blood, urine, faeces and other body sites. The main presenting features (headache, fever, nausea) were due to central nervous system involvement, although meningism and mental changes were rarely present, and CSF changes were very subtle. Treatment with amphotericin B and flucytosine was very effective, there being no more growth of fungi in cultures in most cases. Adverse reactions to the drugs used occurred frequently and consisted mainly of anaemia, hepatosis and fever. Diagnosis in the primary stage of cryptococcosis may improve the prognosis.

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