title: Pure spinal epidural cavernous hemangioma with intralesional hemorrhage: a rare cause of thoracic myelopathy.
abstract: Although cavernous hemangiomas occur frequently in the intracranial structures, they are rare in the spine. Most of spinal hemangiomas are vertebral origin and "pure" epidural hemangiomas not originating from the vertebral bone are very rare. Our spinal hemangioma case is extremely rare because of its "pure" epidural involvement and intralesional hemorrhage. A 64-year-old man presented with progressive paraparesis from two months ago. His motor weakness was rated as grade 4/5 in bilateral lower extremities. He also complained of decreased sensation below the T4 sensory dermatome, which continuously progressed to the higher dermatome level. Magnetic resonance imaging demonstrated thoracic spinal tumor at T3-T4 level. The tumor was located epidural space compressing thoracic spinal cord ventrally. The tumor was not involved with the thoracic vertebral bone. We performed T3-5 laminectomy and removed the tumor completely. The tumor was not infiltrating into intradural space or vertebral bone. The histopathologic study confirmed the epidural tumor as cavernous hemangioma. Postoperatively, his weakness improved gradually. Four months later, his paraparesis recovered completely. Here, we present a case of pure spinal epidural cavernous hemangioma, which has intralesional hemorrhage. We believe cavernous hemangioma should be included in the differential diagnosis of the spinal epidural tumors.
authors.affiliation: Department of Neurosurgery, Kangwon National University Hospital, Chuncheon, Gangwon, Korea.
authors.forename: Donghwan
authors.initials: D
authors.lastname: Jang
authors.affiliation: Department of Neurosurgery, Kangwon National University Hospital, Chuncheon, Gangwon, Korea.
authors.forename: Choonghyo
authors.initials: C
authors.lastname: Kim
authors.affiliation: Department of Neurosurgery, Kangwon National University Hospital, Chuncheon, Gangwon, Korea.
authors.forename: Seung Jin
authors.initials: SJ
authors.lastname: Lee
authors.affiliation: Department of Pathology, Kangwon National University Hospital, Chuncheon, Gangwon, Korea.
authors.forename: Young-Joon
authors.initials: YJ
authors.lastname: Ryu
authors.affiliation: Department of Neurosurgery, Kangwon National University Hospital, Chuncheon, Gangwon, Korea.
authors.forename: Jiha
authors.initials: J
authors.lastname: Kim
keywords: Cavernous; Epidural; Hemangioma; Hemorrhage; Spine
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