label: Type I Acrocephalosyndactyly
label_lc: type i acrocephalosyndactyly
description: "An autosomal dominant inherited type of acrocephalosyndactyly caused by mutations in the FGFR2 gene. It is characterized by early closure of the sutures between the skull bones, bulging eyes, low-set ears, fusion of the second, third, and forth fingers, and fusion of the toes."