摘要
目的提高对枕骨蛛网膜颗粒压迹的CT表现的认识,以避免误诊。方法对平扫发现的11例枕骨蛛网膜颗粒压迹行增强扫描,并对CT资料进行分析。结果11例枕骨蛛网膜颗粒压迹CT表现为距窦汇3cm以内的枕骨自内向外凹状压迹或穿凿样骨质缺损,深达板障或穿破外板,增强扫描缺损处不强化,横窦可见充盈缺损。结论CT扫描对枕骨蛛网膜颗粒压迹的诊断和鉴别诊断非常有价值。
Objective To improve the recognition of the CT findings of occipital rone pacchionoan depression,in order to avoid misdiagnosis.Methods Occipital bone pacchionoan depression underwent CT with plain scan and intravenous comtrast enhancement in 11 cases,and then the CT findings were analyzed.Results Occipital bone pacchionoan depression situated beside the torcular herophilia in 11 cases.The depression or bone defect were found at occipital bone inner plate,they can reach diploe or outer plate and had no enhancement after contrast injection. Conclusions CT scans play an important role in diagnosis and differential diagnosis of occipital bone pacchionoan depression.
出处
《影像诊断与介入放射学》
2004年第2期84-85,共2页
Diagnostic Imaging & Interventional Radiology
