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  • Title: Relevance of clinical and laboratory findings in the diagnosis of cytomegalovirus encephalitis in patients with AIDS.
    Author: Mussini C, Mongiardo N, Manicardi G, Trenti F, Alessandrì A, Paolillo F, Catania A, Portolani M, Pecorari M, Borghi V, Ficarra G, Cossarizza A, De Rienzo B.
    Journal: Eur J Clin Microbiol Infect Dis; 1997 Jun; 16(6):437-44. PubMed ID: 9248746.
    Abstract:
    A retrospective evaluation was conducted in patients with AIDS and an autopsy diagnosis of cytomegalovirus (CMV) encephalitis to determine the relevance of clinical and laboratory findings in establishing a diagnosis. On autopsy of 100 patients, CMV encephalitis was diagnosed in 13 patients; eight had periventricular CMV encephalitis, four micronodular CMV encephalitis, and one both conditions. Seven patients had had a CMV infection previously (6 cases of retinitis, 1 case of colitis), and at the onset of encephalitis all of them were receiving a maintenance dose of ganciclovir. Examination of the CSF showed specific changes in patients with periventricular encephalitis. CT revealed no characteristic findings, while MRI showed an increased signal intensity on T2 weighted images. CMV DNA amplification by nested PCR was performed in nine patients with CMV encephalitis; PCR was positive in eight patients whose CSF was collected during CMV encephalitis, and negative in one patient whose CSF was collected six months before death. In conclusion, some clinical findings suggest a presumptive diagnosis, especially of periventricular encephalitis, and nested PCR appears to be a reliable and rapid technique for making an antemortem diagnosis.
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