Rheumatoid arthritis - rice bodies

Case contributed by Dalia Ibrahim
Diagnosis almost certain

Presentation

Left shoulder pain and middle finger small cutaneous nodule. Rest of history is withheld.

Patient Data

Age: 45 years
Gender: Female
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Axial
T2
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Axial
STIR
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Axial T1
fat sat
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Sagittal
T2
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Sagittal
STIR
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Coronal
T1
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Coronal
STIR
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Axial T1
C+ fat sat
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Sagittal T1
C+ fat sat
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Axial
T1 C+
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Info

Synovial thickening and enhancement of the subacromial/subdeltoid bursa associated with multiple rice bodies which tend to be amalgamated forming mas like lesion anteriorly showing marginal synovial enhancement. Arthropathic changes of the glenohumeral and acromioclavicular joints with joint space narrowing and erosive changes.

Topogram
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Axial
non-contrast
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Axial bone
window
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Arthropathic changes including erosive changes of the acromioclavicular joint. The aforementioned rice bodies are radiolucent.

This study is a stack
Axial
non-contrast
This study is a stack
Axial bone
window
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Coronal
bone window
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Info

Middle finger distal phalangeal subcutaneous small soft tissue nodule, likely representing rheumatoid nodule.

Arthropathic changes of the radiocarpal joint are evident in the narrowing of their joint spaces and subchondral pseudocystic changes.

Case Discussion

Multiple rice bodies in joints or bursae may be the presenting sign of a more extensive underlying rheumatic condition. This case was a known rheumatoid patient. The radiological features are typical for rheumatoid arthritis with rice bodies in the subacromial-subdeltoid bursa, an aggregate-forming mass-like lesion anteriorly, arthropathic changes of the radiocarpal joint and a small subcutaneous rheumatoid nodule seen at the ventral aspect of the distal phalanx of the middle finger, confirmed clinically.

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