Spinal hemangioblastoma of cauda equina origin not associated with von Hippel-Lindau syndrome--case report.

A 50-year-old male presented with a rare case of hemangioblastoma of cauda equina origin, without clinical signs of von Hippel-Lindau syndrome, manifesting as pain radiating from the back to the left thigh. Magnetic resonance imaging before surgery revealed an intradural spinal tumor at the L3-L4 levels with serpentine flow voids of tortuous and convoluted vessels, which appeared to be continuous with the left L5 nerve root. Surgical removal of the tumor was successfully accomplished via the posterior unilateral approach, and the histological diagnosis was hemangioblastoma. Clinical symptoms resolved dramatically after surgery, although the patient developed mild dysesthesia of the left L5 area early after surgery which was gradually improved late after surgery.