Acute calcium pyrophosphate dihydrate crystal-induced tenosynovitis.
Calcium pyrophosphate dihydrate crystal deposition in tendon sheaths is a rare cause of acute and chronic tenosynovitis. An elderly patient with acute wrist pyrophosphate tenosynovitis and transient periarticular calcification is described.
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Division of Rheumatology, Department of Medicine, Sunnybrook Health Science Centre, University of Toronto, Toronto, Ontario, Canada.