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Incidence of polydactyly and triphalangism of thumb  

Lee, Jeong Min (Department of Plastic Surgery, Gachon University of Medical and Science, Gil hospital)
Kim, Sun Goo (Department of Plastic Surgery, Gachon University of Medical and Science, Gil hospital)
Hwang, Kun (Department of Plastic Surgery and Center for Advanced Medical Education by BK21 Project, Inha University, College of Medicine)
Kim, Yu Jin (Department of Plastic Surgery, Gachon University of Medical and Science, Gil hospital)
Lee, Se IL (Department of Plastic Surgery, Gachon University of Medical and Science, Gil hospital)
Jung, Sung Gyun (Department of Plastic and Reconstructive Surgery, Soonchunhyang University College of Medicine)
Jun, Young Joon (Department of Plastic Surgery, College of Medicine, The Catholic University of Korea)
Publication Information
Archives of Plastic Surgery / v.36, no.4, 2009 , pp. 458-461 More about this Journal
Abstract
Purpose: Preaxial polydactyly is the most common congenital anomaly of upper extremities. In this study, we classified 112 patients of preaxial polydactyly for investigation of recent incidences of each types. Methods: We reviewed 120 cases of preaxial polydactyly diagnosed at university hospitals of Incheon and Bucheon from 2000 to 2008. All cases were grouped using simple radiographs and all cases were classified according to the Upton modified Iowa system. Results: Among the 120 cases of preaxial polydactyly, there were 7 cases(6%) of type I, 35 cases(29%) of type II, 1 case(1%) of type III, 48 cases(40%) of type IV, 12 cases(10%) of type V, 5 cases(4%) of type VI, 12 cases(10%) of type VII polydactyly. All cases of type VII polydactyly were triphalangism. Conclusion: Comparing with Wassel's study and Upton's study, our study showed similar distribution of each types of preaxial polydactyly.
Keywords
Polydactyly;
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  • Reference
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