破裂的内皮质囊:在急性呈现时的成像和随访
Ritika Revoori1, Joel Kevin Raj Samuel2, Ajay K Singh1
1Department of Radiology, Massachusetts General Hospital, 55 Fruit St. Blk SB Rm 0029A, Boston, MA, 02114, USA.
Emergency radiology
|February 5, 2026
概括
破裂的内皮质囊,虽然很少见,但在MRI上呈现出明显的成像特征,特别是T1加权序列. 症状可能会改善,但大脑内的脂肪扩散会长期存在.
科学领域:
- 神经科学是一个神经科学.
- 放射学 放射学是一门学科.
- 神经外科 神经外科
背景情况:
- 内皮质囊是一种罕见的先天性瘤.
- 自发性破裂可能导致大脑脊髓液 (CSF) 空间中的脂肪扩散.
- 破裂可能导致各种神经症状和特征性成像发现.
研究的目的:
- 评估破裂的内皮质囊的临床表现.
- 为了描述破裂的内皮质囊的成像特征.
- 为了评估患有破裂的内皮质囊的患者的结果.
主要方法:
- 对22名被诊断患有破裂的内皮质囊的患者的回顾性审查 (1997年7月至2024年7月).
- 断裂确认通过CT/MRI显示CSF空间中的脂肪滴.
- 由两个放射科医生进行的独立成像审查.
主要成果:
- 头痛是最常见的症状 (31.8%).
- 腹腔内和脑下脂肪滴是常见的 (分别为72.7%和81.8%).
- 核磁共振显示T1高强度脂肪滴 (100%),T2低强度边缘 (35%) 和SWI易感性损失 (71%).
结论:
- 破裂的内皮质囊具有可识别的成像特征,特别是在T1加权的MRI上.
- 症状通常会在断裂后得到改善.
- 脂肪球长期存在,随着时间的推移观察到一些减少.
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