Intradural Capillary Hemangioma: Case Report of a Rare Tumor of Cauda Equina.

Intradural extramedullary capillary hemangiomas of the cauda equina are very rare. Radiographically, they may mimic other intradural tumors like meningioma or nerve sheath tumors. Here, we present a case of a young woman who presented with low back and left leg radicular pain. Magnetic resonance imaging showed an enhancing lesion in the intradural space at the L4/L5 level. Initially, a diagnosis of meningioma with differential diagnosis of schwannoma was suspected; however, histopathology revealed it to be a capillary hemangioma. Although rare, because of its similar clinico-radiographical features to other common intradural tumors and high risk of intraoperative bleeding, capillary hemangioma should be included in the differential diagnosis when planning surgical excision.