Microtia is a congenital deformity where the external ear is underdeveloped. Genetic
investigations have identified many susceptibility genes of microtia-related syndromes …

Background Microtia is a congenital ear malformation that can occur as isolated microtia or
as part of a syndrome. The etiology is currently poorly understood, although there is strong …

Microtia is a congential defect of the ear that occurs from 0.76 to 4.34 per 10,000 births
according to several large multinational registries of congenital malformations [Mastroiacovo …

Objectives Microtia is a congenital anomaly of the outer ear. Although genetic and
environmental factors could play a role, no consensus has been established on the …

Background Microtia is a congenital anomaly of ear that ranges in severity from mild
structural abnormalities to complete absence of the outer ears. Concha-type microtia is …

Microtia is a congenital malformation of the external ear caused by genetic and/or
environmental factors. However, no causal genetic mutations have been identified in …

Background: Microtia is a congenital malformation of the outer ears caused by improper
embryonic development. The origin of microtia and causes of its variations remain unknown …

Microtia is a rare congenital anomaly of the ear; it is regulated by both genetic and
environmental factors. However, the mechanisms underlying its pathogenesis are unknown …

Microtia is a congenital anomaly of the ear that ranges in severity from mild structural
abnormalities to complete absence of the ear, and can occur as an isolated birth defect or as …

Microtia is a congenital malformation of the external and middle ear associated with varying
degrees of severity that range from mild structural abnormalities to the absence of the …