Oppenheimer ossicle

Case contributed by Andrei Tsoriev
Diagnosis certain

Patient Data

Age: 70 years
Gender: Male
mri

There is non union of the apex of the right lower articular process of the 4th lumbar vertebra.

Annotated image

Visible fissure of non united ossicle is indicated by arrows.

Case Discussion

Oppenheimer ossicles are accessory ossicles associated with the facet joints found in ~4% (range 1-7%) of lumbar spines

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