患者信息:
43 岁, 男性
检查指征:
Headache, history of HIV/AIDS
影像所见
CT
- Ill-defined hypoattenuating areas involving the left basal ganglia, right thalamus, and bilateral internal capsule
- Internal foci of hyperattenuation
MRI
- Peripherally enhancing lesions measuring up to 2.1 cm in the right thalamus and 1.5 cm in the left lentiform nucleus
- Internal T1 signal hypointensity and mild T2/FLAIR signal hyperintensity
- Corresponding peripheral restricted diffusion, more pronounced with the right thalamic lesion
- Surrounding T2/FLAIR signal hyperintensity and local mass effect with crowding of the third ventricle
诊断
CNS toxoplasmosis
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