Hexadactyly: A Rare Case
Journal Title: Biomedical Journal of Scientific & Technical Research (BJSTR) - Year 2017, Vol 1, Issue 4
Abstract
A 2-year-old Caucasian female patient, referred to our Department, presented on physical examination a symmetrical duplication of the 5th finger in both hands and feet. (Figure 1) Bone structures could be also palpated and observed at X-ray exam (Figures 1 & 2). Clinical family history was negative for malformation disease or teratogenic drugs taken during pregnancy. Furthermore the child was not suffering from other associated malformations or organ dysfunction, the genetic examinations showed a normal karyo type and the absence of known mutations. She had no other anomalies and growth and development were normal. Radiographic examination showed six sets of phalanges with five metacarpals Figure 1; the last finger did not have an associated metacarpal in both hands but on the left the proximal phalanx of the last finger appears fused with the fifth metacarpal instead on the right hand the sixth finger is attached by a skin bridge only. The long bones of the arms were normal. According to Stelling and Turek classification, the right hand can be classificated as Type I, the left one as Type II .In 1964, Swanson proposed for the first time a classification system of congenital malformations of the hand. It was modified by the American Society for Surgery of the Hand (ASSH) and International Federation of Societies for Surgery of the Hand (IFSSH) in 1976. This classification includes congenital abnormalities in seven main categories: failure of formation, failure of differentiation, duplication, overgrowth, undergrowth, constriction band syndrome, and generalized syndromes and anomalies. Each category has subcategories based on anatomical, morphological or tissue type. With this system we can easily describe complex anomalies in a simple way [2]. A Type of duplication is polydactyly, this term introduced by Theodor Kerckring, is the development of more than five digits or toes.
Authors and Affiliations
E Rossi, A Barbieri, S Tamasi, MC Smaldone
Keywords
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- EP ID EP571539
- DOI 10.26717/BJSTR.2017.01.000385
- Views 131
- Downloads 0
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