title: Sonographic findings of extensor digiti minimi triggering caused by thickened extensor retinaculum.
abstract: Trigger finger is a common well recognized condition and involves the flexor tendons at the A1 pulley in the palm. Triggering of the extensor tendons is a very rare clinical entity. We report a rare case of extensor triggering of little finger caused by constriction of the extensor digiti minimi by a markedly thickened extensor retinaculum (ER) at the wrist, well delineated dynamically by real-time high-resolution ultrasound. The patient underwent release of thickened ER and was asymptomatic immediately.
authors.affiliation: Department of Radiology, Christian Medical College and Hospital, Vellore, 632004 Tamil Nadu India.
authors.forename: Jyoti
authors.initials: J
authors.lastname: Panwar
authors.affiliation: Department of Hand and Leprosy Reconstructive Surgery (HLRS), Christian Medical College and Hospital, Vellore, Tamil Nadu India.
authors.forename: Binu P
authors.initials: BP
authors.lastname: Thomas
authors.affiliation: Department of Hand and Leprosy Reconstructive Surgery (HLRS), Christian Medical College and Hospital, Vellore, Tamil Nadu India.
authors.forename: Raveendran
authors.initials: R
authors.lastname: Sreekanth
keywords: Extensor; Retinaculum; Tendon; Trigger; Ultrasound