Extrathecal cavernous hemangioma

A case of extrathecal cavernous hemangioma, a rare entity, is presented. Some clinical, radiological, and histological features of the lesion are discussed. The unusual dumbbell-like growth of the tumor through an intervertebral foramen is considered, as well as the potential effectiveness of radiation therapy. The literature dealing with spinal hemangiomas and hemangioblastomas is summarized.