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Magnetic resonance brain imaging lacks sensitivity for AIDS associated cytomegalovirus encephalitis
D B Clifford1, J R Arribas, G A Storch
1Department of Neurology and Neurological Surgery (Neurology), Washington University School of Medicine, St Louis Missouri, USA.
Abstract:
Six patients are presented who died with active cytomegalovirus (CMV) encephalitis in whom brain MR scans within 25 days of death failed to reveal distinctive findings suggesting the diagnosis of CMV encephalitis. While MR scanning is crucial to evulation of AIDS patients developing neurologic complications, it is not sensitive to the presence of CMV encephalitis even when it is quite severe. The diagnosis of CMV encephalitis during life rests on characteristic clinical findings supported by a typical laboratory measures including the presence of CMV DNA in cerebrospinal fluid as detected by polymerase chain reaction.
Insights
Brain MRI scans may not detect cytomegalovirus (CMV) encephalitis, even in severe cases. Definitive diagnosis relies on clinical signs and laboratory tests like CMV DNA PCR in cerebrospinal fluid.
Area of Science:
- Neurology
- Infectious Diseases
- Radiology
Background:
- Cytomegalovirus (CMV) encephalitis is a serious complication in immunocompromised individuals, particularly those with Acquired Immunodeficiency Syndrome (AIDS).
- Accurate and timely diagnosis is critical for effective management and improved patient outcomes.
- Magnetic Resonance (MR) imaging is a standard tool for evaluating neurological complications in patients with AIDS.