This is a case report of a 34-year-old man with hereditary multiple exostoses who presented with gradual tetraparesis. Neuroimaging evaluation revealed an important posterior spinal cord compression by a C3 bony formation. Following posterior microsurgical decompression, the patient recovered nearly completely. Histopathologic examination of the intraspinal lesion confirmed the diagnosis of benign osteochondroma. The patient returned to a normal life without evidence of recurrence at 2-year follow-up.
Keywords: Cervical spine; Multiple hereditary exostoses; Myelopathy; Osteochondroma; Spinal cord compression; Surgery; Tetraparesis.
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