Head and Neck
摘要
A 21-year-old lady is undergoing a second-trimester scan for her first pregnancy. She has features of acrocephaly, prominent forehead, hypertelorism, proptosis, broad nasal root, webbed neck, pectus excavatum, cutaneous syndactyly of both hands, total syndactyly of toes of both feet. She mentions that her sister has the same features.