Ulnar styloid erosion - rheumatoid arthritis

Case contributed by Henry Knipe
Diagnosis almost certain


Hand and wrist pain.

Patient Data

Age: 55 years
Gender: Female

No focal osseous lesion. Erosion of the right ulnar styloid process. No evidence of erosive arthropathy elsewhere. Skeletal alignment within normal limits. 

5 years prior


No focal osseous lesion. No erosive arthropathy. Skeletal alignment within normal limits. 

Case Discussion

Erosion of the ulnar styloid is considered an early manifestation of rheumatoid arthritis, however, in reality, is non-specific and can be seen in other conditions (e.g. gout). This patient had a known history of rheumatoid arthritis.

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