Extensor carpi ulnaris tendinosis

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

Right wrist pain on the ulnar side since 2 months ago.

Patient Data

Age: 35 years
Gender: Female

Abnormal intrasubstance increased fluid signal and focal thickening is present along with extensor carpi ulnar tendon (ECU) at the level of the wrist ulnar styloid and triangular fibrocartilage complex related to tendinosis.

Edema is s seen around the ECU tendon sheath.

Case Discussion

MRI findings suggest extensor carpi ulnaris tendinosis with surrounding edematous changes of the tendon sheath.

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