US-guided percutaneous release of the first extensor tendon compartment using a 21-gauge needle in de Quervain’s disease: a prospective study of 35 cases

Purpose To evaluate the efficacy of ultrasonography-guided percutaneous treatment of de Quervain tenosynovitis with the combination of a corticosteroid injection and release of the retinaculum of the first extensor compartment tendons with a 21-gauge needle.