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Journal of the Korean Society of Neonatology 1998;5(1):72-76.
Published online January 1, 2001.
A Case of Congenital Hyperextension of the Knee.
Sang Chun Lee, Hwan Il Kim, Sang Ho Baek, Kil Seo Kim
Congenital dislocation of the knee is a very rare condition and was first described by Chatelaine in 1822. The etiology of this condition is unknown. It is generally subclassified as simple hyperextension, subluxation, and dislocation, depending on the degree of the joint displacement and the severity of disease. There are a large of associated conditions that have been described, the most common of which are congenital dislocation of the hip, club foot, arthrogryposis, and Larsen's syndrome. The mainstay of treatment is early serial rnanipulation and splinting. Operative treatment was indicated whenever conservative treatment did not lead to satisfactory reduction. The authors experienced a case of congenital hyperextension of left knee associated with the calcaneovalgus deformity of both foot. Early closed treatment obtanied a successful reduction and satisfactory knee motion.
Key Words: Congenital hyperextension; Knee


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