Fig. 3From: Tendoscopic versus open release for de Quervain’s disease: earlier recovery with 7.21 year follow-upEndoscopic view: a the extensor retinaculum and the compressed tendons; b the inflammatory synovial hyperplasia inside; c the blade remained retracting inside of the blunt tip; d the blade was extended out of the knife; e endoscopic release with the blade; f the extensor retinaculum was opened at its ulnar sideBack to article page