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Analysis of MRI findings and clinicopathologic features of spinal intradural extramedullary hemangioma
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- Author:
- No author available
- Journal Title:
- Chinese Journal of Radiology
- Issue:
- 2
- DOI:
- 10.3760/cma.j.cn112149-20210325-00277
- Key Word:
- 血管瘤，海绵状;血管瘤，毛细管;磁共振成像
Abstract： 本研究通过回顾性分析经病理证实的5例髓外硬膜下毛细血管瘤（CAPH）和3例髓外硬膜下海绵状血管瘤（CAVH）的临床病理与MRI资料，以探讨脊椎髓外硬膜下血管临床病理及MR特点。8例髓外硬膜下血管瘤位于脊椎胸段4例，腰段2例，颈胸段、腰骶段各1例。瘤体呈结节状，5例边缘光整，3例边缘分叶。CAPH以T 1WI等信号、T 2WI稍高信号及显著强化为主，镜下为均质的毛细血管样血管结节；CAVH以T 1WI等信号、T 2WI稍高信号混杂极低信号及异质性强化为主，镜下可见出血及血栓。5例可见瘤周血管征，其中CAVH 1例，CAPH 4例。5例可见脊髓水肿，其中CAVH 2例，CAPH 3例。总之，脊椎髓外硬膜下血管瘤MRI表现多样，CAVH较CAPH更易发生出血；瘤周血管征和脊髓水肿是脊椎髓外硬膜下血管瘤的特征性MRI征象。
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