影像所见
CT
MRI
- 松果体区明显、略不均匀强化肿块,大小约2.7 x 2 x 3 cm,包裹松果体钙化,对顶盖向下产生占位效应导致大脑导水管水平梗阻性脑积水
- 轻度T1低信号
- T2信号强度和弥散受限与灰质相似
- 左侧额叶入路脑室引流管
- 右侧乳突积液
带注释的图像和插图
Mildly hyperattenuating pineal region mass (red arrow) which engulfs the pineal calcification (yellow arrow).
Multiple areas of calvarial thinning (red arrows), likely the result of longstanding elevated intracranial pressure.
Corresponding avid but heterogeneous enhancement (red arrow).
诊断
生殖细胞瘤(松果体区)
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