影像所见
- 松果体区混合实囊性肿块,大小约23 x 20 x 15 mm
- 实性成分弥漫强化并表现弥散受限
- 肿块周边磁敏感伪影,可能代表钙化
- 伴对顶盖的向下占位效应,大脑导水管狭窄及上游脑积水
带注释的图像和插图
T1 hypointense pineal region mass (red arrow) with downward mass effect on the tectum and associated obstructive hydrocephalus.
Foci of susceptibility artifact along the periphery of the mass (red arrows) represent peripheral calcification.
The mass has an internal cystic component with avid enhancement of the solid components (red arrows).
诊断
松果体细胞瘤
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