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MR of Toxoplasma Encephalitis:Signal Characteristics on T2-Weighted Images and Pathologic Correlation J Comput Assist Tomogr 20:417-422, Brightbill,T.C.,et al, 1996 See this aricle in Pubmed Article Abstract There is a definite variation in the appearance of lesions of Toxoplasma encephalitis on T2-weighted images that precludes a definitive diagnosis based on signal characteristics alone.Pathologically,our data suggest that T2-weighted hyperintensity correlates with necrotizing encephalitis and T2-weighted isointensity with organizing abscesses.Furthermore,in patients on medical therapy the T2-weighted MR appearance may be a transition from hyperintensity to isointensity as a function of a positive response to antibiotic treatment,indicating that the signal change might not be used to gauge the effectiveness of medical therapy.

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(click to filter results - removes previous filter) MRI MRI,abnormal toxoplasmosis,CNS

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