| Lumbar Spinal Extradural Angiolipoma: Case Report and Review of the Literature. |
| Jin Hoon Park, Sang Ryong Jeon, Seung Chul Rhim, Sung Woo Roh |
| Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. swroh@amc.seoul.kr |
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| ABSTRACT |
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Angiolipomas in the lumbar spinal region are extremely rare.
The present report describes the identification of such a tumor and its removal, and discusses the tumor characteristics and prognosis. A 74-year-old woman was presented with a 5-month history of lower back pain. Severe radiculopathy was experienced in the left leg for 5 days prior to the presentation, and there were no neurological deficits. Magnetic resonance (MR) images showed an approximately 3.5 cm heterogeneously enhanced and elongated mass at the left L5-S1 level. A portion of the mass appeared with high signal intensity on T2-weighted MR images, with low signal intensity on T1-weighted images, and with high signal intensity on T1 fat suppression enhancement images.
Resection of the tumor was approached via an L5 and S1 laminectomy. A fibrous sticky yellowish hypervascular tumor was identified. Histological study revealed the tumor as an angiolipoma. Symptoms were relieved after tumor excision, and there were no neurological sequelae. Although extremely rare, lumbar epidural angiolipoma should be considered in the differential diagnosis of lumbar spinal epidural lesions. The prognosis after surgical management of this lesion is favorable. |
| Key Words:
Angiolipoma; Spinal neoplasm; Lumbar epidural tumor |
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