Sporadic and Von-Hippel Lindau disease-associated spinal hemangioblastomas: institutional experience on their similarities and differences.

VHL-associated spinal hemangioblastomas differ from sporadic tumors in terms of age, presenting symptoms, multifocality, and rate of recurrence. Recurrences seem to be unrelated to the extent of resection, indicating the need for life-long follow up for VHL patients.