一例合并脊髓硬膜外脂肪增多症的脊髓内硬膜外脂肪瘤：病例报告及文献复习
An intraspinal extradural lipoma with spinal epidural lipomatosis: A case report and a review of literature.
作者信息
Tateiwa Daisuke, Yamasaki Ryoji, Ariga Kenta, Hayashida Kenji, Wada Eiji
机构信息
Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2, Yamada-oka, Suita, Osaka, 565-0871, Japan.
Department of Orthopaedic Surgery, Osaka Police Hospital, 10-31 Kitayama, Tennouji, Osaka 543-0035, Japan.
出版信息
Surg Neurol Int. 2018 Oct 23;9:212. doi: 10.4103/sni.sni_280_18. eCollection 2018.
BACKGROUND
Intraspinal extradural lipomas are very rare and should be differentiated from spinal epidural lipomatosis (SEL) and/or angiolipomas.
CASE DESCRIPTION
A 76-year-old male presented with left lower extremity radiculopathy. The magnetic resonance imaging (MRI) revealed hyperplasia of epidural fat at the L2-3 and L3-4 levels accompanied by a lipomatous L4-5 mass. Following resection of this mass and hyperplastic epidural fat, the histological examination was consistent with an intraspinal extradural lipoma and SEL.
CONCLUSION
This case indicates that asymmetrical compression of the dural sac may be attributed to an intraspinal extradural lipoma vs. just SEL and/or an angiolipoma.
背景
椎管内硬膜外脂肪瘤非常罕见，应与脊髓硬膜外脂肪增多症（SEL）和/或血管脂肪瘤相鉴别。
病例描述
一名76岁男性出现左下肢神经根病。磁共振成像（MRI）显示L2 - 3和L3 - 4水平硬膜外脂肪增生，并伴有L4 - 5脂肪瘤块。切除该肿块及增生的硬膜外脂肪后，组织学检查结果与椎管内硬膜外脂肪瘤及SEL相符。
结论
该病例表明，硬膜囊的不对称受压可能归因于椎管内硬膜外脂肪瘤，而非单纯的SEL和/或血管脂肪瘤。
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