Abstract
The condition known as longitudinal epiphyseal bracket or delta phalanx is a rare congenital anomaly that affects the tubular bones of hand or foot. Metatarsal epiphyseal bracket restrains longitudinal growth, causing progressive deformity and resulting in a short, broad metatarsal and a medially deviated metatarsophalangeal joint and hallux magnus. Although there are some case series describing metatarsal lengthening with the unilateral fixator in the literature, we could not find any case that combines both metatarsal lengthening and deformity correction with the circular external fixator. Gradual lengthening and deformity correction without bone grafting and soft-tissue modification were carried out in a case with bilateral longitudinal epiphyseal bracket of the first metatarsals of the foot. A literature review and treatment method for epiphyseal bracket in a 9-year-old boy is presented. Excellent clinical, and functional results were obtained with circular and semicircular fixators.
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