Presentation
Joint pain.
Patient Data
Age: 26
Gender: Female
From the case:
Rheumatoid arthritis
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The radiograph shows carpal collapse and osteopenia.
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CT shows carpal collapse, decrease of joint spaces and erosions at the distal radius, ulna and the carpal bones.
Case Discussion
The detection of erosions is important because they are a reflection of the aggressiveness of rheumatoid arthritis. CT is acquiring a recent role in this objective since it is the most sensitive and accurate technique to assess bone erosions.
The CT demonstrates the proper cortical discontinuity of the erosions and can differentiate of a geode. In advanced stages, inactive, a sclerotic rim surrounds the erosions.
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