影像所见
- 右侧额顶叶大型外周强化、中央坏死肿块,大小约4.5 x 4.2 x 4.5 cm,周围白质广泛T2/FLAIR信号增高
- 弥散受限与强化成分对应
- 中央坏死区对应的磁敏感伪影
- 此外左侧颞叶后部团块状弥散受限区域,其前缘有对应的强化灶
- 右侧大脑半球占位效应导致局部脑沟消失、右侧侧脑室受压及右向左中线移位9 mm
- 右侧侧脑室颞角轻度扩张,提示陷闭可能
带注释的图像和插图
Heterogeneously enhancing mass with reduced diffusivity corresponding with the enhancing components (red arrows), most suspicious for a high-grade glial neoplasm.
Additional masslike area of restricted diffusion in the posterior left temporal lobe with a nodular focus of enhancement along its anterior margin (red arrows).
诊断
胶质肉瘤
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