影像所见
CT
- Area of hypoattenuation in the left frontal subcortical and deep white matter
MRI
- Relatively rounded area of T2/FLAIR signal hyperintensity in the left frontal white matter
- Corresponding irregular, discontinuous areas of curvilinear enhancement along the periphery of the lesion
- Diffuse corresponding restricted diffusion with the exception of a small rounded area of facilitated diffusion centrally
- No corresponding susceptibility artifact
- No substantial corresponding mass effect
诊断
Tumefactive demyelinating lesion
关键影像特征
成为PRO会员以解锁关键影像特征
鉴别诊断
成为PRO会员以解锁鉴别诊断
讨论
要点
成为PRO会员以解锁要点