title: Stenosing tenosynovitis.
abstract: Tenosynovitis refers to an inflammatory condition involving the synovial sheath of a tendon. Stenosing tenosynovitis is a peculiar entity caused by multiple factors, including local anatomy, mechanical factors, and hormonal factors. The main forms include de Quervain tendinopathy; trigger finger (stenosing tenosynovitis involving the flexor digitorum tendons); stenosing tenosynovitis of the extensor carpi ulnaris, extensor carpi radialis, or extensor comunis tendons; stenosing tenosynovitis of the flexor hallucis tendon; and stenosing tenosynovitis of the peroneal tendons. The cardinal finding on ultrasonography is the presence of a thickened retinaculum or pulley that constricts the osseofibrous tunnel through which the tendon runs.
authors: Imagerie Médicale Léonard de Vinci, Paris, France.
authors: V
authors: V
authors: Vuillemin
authors: H
authors: H
authors: Guerini
authors: H
authors: H
authors: Bard
authors: G
authors: G
authors: Morvan
keywords: Stenosing tenosynovitis; Tenosynovitis; Ultrasonography
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