MCQ Radiology Answer 05
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HIV encephalitis accounts for up to 60% with AIDS, where as toxoplasma encephalitis accounts for approximately 30% of cases. Toxoplamosis, being the most common opportunistic neuroinfection, may result in necrotising encephalitis, predominantly involving the basal ganglia and thalami. On Unenhcened CT, the lesions are usually isodense to grey matter, but may be hyperdense due to hemorrhage and on contrast, usually show ring or nodular enhancement. Faint or absent enhancement is seen if the CD count is less than 50 and the enhancement increases with increase in the CD count.
Tags: MCQ, Radiology, Toxoplasmosis
Category: Radiology MCQs
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