The Case of the ‘Rice Body’ Wrist

A 51-year-old man with diabetes and HIV presents with chronic wrist swelling, pain, and numbness. MRI reveals ‘rice bodies,’ leading to a rare diagnosis.

Mycobacterial tenosynovitis due to Mycobacterium avium complex


A 51-year-old man with history of type 2 diabetes and human immunodeficiency virus infection presented with a 3-year history of worsening swelling of the left wrist associated with pain and numbness in the fingers. Physical examination was notable for an extension deficit in the proximal interphalangeal joint of all four fingers. Magnetic resonance imaging (MRI) showed multiple loose bodies in the ulnar bursal fluid. The patient underwent surgery and this image was taken. What was the diagnosis?

What is the most likely diagnosis?

Pigmented villonodular synovitis (PVNS)
Reichel syndrome
Calcium hydroxyapatite deposition disease
Fibrolipomatous hamartoma of ulnar nerve
Mycobacterial tenosynovitis due to Mycobacterium avium complex

Immunocompromised Host, Mycobacterial tenosynovitis due to Mycobacterium avium complex, Rice Bodies, Tenosynovitis, Wrist Pain

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