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[Genetic characteristics of microtia-associated syndromes in neonates]
1Department of Facial Plastic and Reconstructive Surgery, Eye Ear Nose and Throat Hospital of Fudan University, Shanghai 200031, China.
Abstract:
Microtia is the second most common maxillofacial birth defect in neonates and has an prevalence rate of 3.06/10 000 in China, and 20%-60% of microtia cases is associated with a certain type of syndrome. This article elaborates on the clinical phenotypes and genetic characteristics of three microtia-associated syndromes (MASs) with high prevalence, high incidence rate of ear deformity, and definite genetic etiology, i.e., oculo-auriculo-vertebral spectrum, branchio-oto-renal spectrum disorder, and Treacher-Collins syndrome, and summarizes another three common MASs, so as to provide a reference for the genetic diagnosis of neonatal MAS.
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