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  • Title: [A case of cryptococcal meningoencephalitis with the cerebral superficial cystic lesions detected on magnetic resonance imagings].
    Author: Kondo H, Yamamoto K, Kubo H, Hosino M, Okayama K.
    Journal: Rinsho Shinkeigaku; 1995 Apr; 35(4):373-8. PubMed ID: 7614762.
    Abstract:
    The patient was a 35-year-old man with confusional state and headache. Analysis of cerebrospinal fluid (CSF) showed 1,383/mm3 cell count, the protein level of 300mg/dl and glucose level of 42 mg/dl. Cryptococcus neoformans was disclosed by India ink preparation. The cryptococcal antigen test was positive at 1:125 by latex agglutination. The diagnosis of cryptococcal meningoencephalitis was determined. Antifungal treatment with amphotericin B resulted in improvement of neurologic signs, CSF findings and cryptococcal antigen test. But two months later, brain MRI demonstrated low intensity areas on T1 weighted image and high intensity areas on T2 and proton weighted images in the cerebral cortical region. Gd-DTPA MRI showed enhanced areas in the cerebral leptomeninges. It was considered that these MRI lesions corresponded to pseudocysts and Gd-DTPA enhanced lesion indicated dilated vessels or destructed blood-brain barrier. After administration of larger doses of amphotericin B, these lesions on MRI disappeared. It is suggested that brain MRI is useful in diagnosis of cryptococcal meningoencephalitis to detect pseudocysts at the cortical region which may imply the early stage of procrastinating process.
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