Transpedicular Excision of a Thoracic Intraspinal Osteochondroma in a Patient with Hereditary Multiple Exostoses and Brown-Séquard Syndrome

For patients with hereditary multiple exostosis and new onset of neurologic symptoms, the possibility of a spinal osteochondroma should be considered. In the situation of an intraspinal exostosis protruding from the lateral side, customized surgical procedures with a transpedicular approach may be a valid way to minimize intraoperative neural injury and achieve a satisfactory outcome.