OBJECTIVE: To discuss a case of cervical spine osteochondroma found incidentally during evaluation of a rib injury. To demonstrate diagnostic imaging, including plain film radiography, radionuclide bone scan, computed tomography and magnetic resonance imaging.

CLINICAL FEATURES: This article presents the second reported case of osteochondroma associated with the C6 vertebral body. The classic imaging features of exostosis and a cartilaginous cap were identified. The osteochondroma was confluent with marrow of the C6 articular pillar. A biopsy was performed for confirmation of the lesion's histological character.

INTERVENTION: Surgical resection was performed to remove the osteochondroma.

CONCLUSION: Clinical examination, radiological evaluation and advanced diagnostic imaging helped detect and characterize an incidental cervical spine mass.

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