Stenosing tenosynovitis

Last revised by Dr Henry Knipe on 25 Jul 2019

A stenosing tenosynovitis is a specific form of tenosynovitis typically affecting the tendons that run through osseofibrous tunnels, each enclosed in its own synovial sheath. The tunnel itself lies over cortical bone and is covered by a structure referred to (depending on the location) as a pulley or retinaculum.

The diagnosis is based on typical sonographic findings of hypertrophy of a retinaculum or pulley.

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