“Intersection syndrome” of the foot: treated by endoscopic release of master knot of Henry
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Intersection syndrome of the forearm is a painful condition in the area where the muscle bellies of the abductor pollicis longus and extensor pollicis brevis cross the common wrist extensors. A similar case of the foot with marked fibrosis at the interconnection of flexor hallucis longus and flexor digitorum tendons is reported and the fibrous interconnection was extended proximally. This was successfully treated with endoscopic release of the master knot of Henry.
KeywordsMaster knot of Henry Flexor digitorum longus Flexor hallucis longus Tendoscopy Intersection Arthroscopy
Video 1 The patient can move his left big toe freely with the little toe hold still (AVI 6739 kb)
Video 2 The patient had difficulty in initiating his right big toe motion while his little toe was hold still (AVI 14470 kb)
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