نتایج جستجو برای: thumb polydactyly
تعداد نتایج: 7913 فیلتر نتایج به سال:
The classification of ulnar polydactyly exists of either two or three types. The two-stage classification according to Temtamy and McKusick involves type A and B. In type A there is an extra little finger at the metacarpophalangeal Joint, or more proximal including the carpometacarpal joint. The little finger can be hypoplastic or fully developed. Type B varies from a nubbin to an extra, non-fu...
The deletion of the distal long arm of chromosome 1 is associated with a characteristic facial appearance and a pattern of associated malformations. Characteristic manifestations include a round face with prominent 'cupid's bow' and downturned corners of the mouth, thin vermilion borders of lips, a long upper lip with a smooth philtrum, a short and broad nose, epicanthal folds, apparently low-s...
A 39-year-old man presented with multiple basaloid follicular hamartomas involving the right side of his body in a systematized pattern following Blaschko's lines. His right leg was 22.5 cm shorter than the left, and rudimentary pre-axial polydactyly was noted on the left hand and the right foot. The teeth of the right maxilla were hypoplastic. DNA analysis of blood lymphocytes and fibroblasts ...
The syndrome of bilateral aplasia of the tibia, polydactyly with or without syndactyly, and absence of the thumbs, was first reported in 1915 by Werner in a twenty-year-old woman in her sixth month of pregnancy who requested an abortion because the pregnancy was causing her difficulties. The patient had no thumbs and six fingers, each with a metacarpal bone. There were eight toes on the left fo...
During limb development, the spatio-temporal expression of sonic hedgehog (SHH) is driven by the Zone of polarizing activity Regulatory Sequence (ZRS), located 1 megabase upstream from SHH. Gain-of-function mutations of this enhancer, which cause ectopic expression of SHH, are known to be responsible for congenital limb malformations with variable expressivity, ranging from preaxial polydactyly...
Preaxial polydactyly of the hand is more common than postaxial polydactyly and postaxial polydactyly of the foot is more common than preaxial in white patients. Syndactyly is commonly regarded as next in frequency among the congenital hand deformities. Preaxial polydactyly of the feet and hands and polydactyly type A and B with syndactyly in the same individual is a rare condition. In this work...
Polydactyly is one of the most common hereditary congenital limb malformations in chickens and other vertebrates. The zone of polarizing activity regulatory sequence (ZRS) is critical for the development of polydactyly. The causative mutation of polydactyly in the Silkie chicken has been mapped to the ZRS; however, the causative mutations of other chicken breeds are yet to be established. To un...
PURPOSE Authors' clinical and surgical experience in correction of the radial polydactyly in its various degrees of severity is presented. MATERIAL AND METHODS Nineteen patients were operated due to thumb duplication in a 10-year period from 1996 to 2006. The cases were classified according to Wassel 7-type classification. The surgical techniques adopted were the Bilhaut-Cloquet and the metho...
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