Osteochondroma Arising from Dorsal Pedicle Causing Compressive Myelopathy.

INTRODUCTION

Osteochondromas are benign bony neoplasms typically located in long bones, though they may occasionally occur in the posterior elements of the spine.

CASE REPORT: We present a case of a 10-year-old boy with multiple osteochondromas diagnosed with hereditary multiple exostoses, who exhibited symptoms of thoracic myelopathy. Radiological investigations indicated a heterogeneous mass on magnetic resonance imaging (MRI) that was encroaching upon the spinal canal. The computed tomography scan verified the presence of a pedunculated exostosis originating from the right D4 pedicle. The mass was excised through a right lateral extracavitary approach and sent for histopathological examination, which confirmed the diagnosis. The patient exhibited improvement and achieved full recovery within 6 months.

CONCLUSION

Osteochondromas of the spine are infrequently symptomatic. Early diagnosis with clinical features and MRI will help to initiate treatment.