Giant Lumbosacral Extradural Intraosseous Schwannoma in an Adolescent Male – A Rare Lesion

Schwannoma are benign slow growing tumor arising from Schwann cells of the nerve sheaths of peripheral nerves. Giant spinal schwannomas are defined as lesions that extend over more than two vertebral levels or have extraspinal extension of more than 2.5 cm. They are usually intradural, Extradural giant spinal schwannomas in the adolescent age group is of rare. Only 5 cases of purely extradural giant spinal schwanomma have been reported in literature. We report a purely extradural giant schwanomma and its management.