Presentation
Painless low back lump.
Patient Data
Age: 25 years
Gender: Male
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Right-sided spinous process L3 bone exostosis with medullary continuity.
Case Discussion
Typical appearance of osteochondroma of vertebral spinous process. Next step should be MRI to assess cartilage cap thickness because a cartilage cap of over 1.5 cm in thickness is suspicious for malignant degeneration.
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