• Guang-Yu Ying, Ying Yao, Fang Shen, Yu-Cheng Ren, Chien-Min Chen, and Yong-Jian Zhu.
• Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.
• World Neurosurg. 2017 Mar 1; 99: 59-62.

BackgroundAlthough percutaneous endoscopic technique has been routinely used in the treatment of disk herniation, there are few reports on its application in the management of intraspinal tumors. We present a case report of lumbar epidural angiolipoma that was totally removed by percutaneous endoscopic technique.Case DescriptionA 63-year-old man presented with a 4-month history of progressively worsening low back pain. No abnormal neurologic finding was noted on physical examination, and magnetic resonance imaging demonstrated a dorsally located L2-3 epidural lesion, suggestive of a noninfiltrating angiolipoma. During the operation, an 8-mm skin incision was made, and a dilator was bluntly inserted toward the interlaminar space, followed by insertion of a working cannula onto the ligamentum flavum and placement of the endoscope. The interlaminar space was enlarged by resection of part of the lower rim of the right L2 vertebral laminae, and the right side of the interlaminar ligamentum flavum was removed to expose the tumor. The tumor was totally removed piecemeal under endoscopic guidance, and pathologic examination confirmed the diagnosis of angiolipoma.ConclusionsThis report supports the application of percutaneous endoscopic technique in the surgical resection of noninfiltrating extradural lumbar angiolipoma.Copyright © 2016 Elsevier Inc. All rights reserved.

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