Type : Phenotype or locus, molecular basis unknown;
Alternative titles and symbols : AMASTIA; ATHELIA; AMAZIA;
Description : Absence of the breasts and nipples may occur as an isolated anomaly or as part of
a syndrome. Hypoplasia or aplasia of the breasts and nipples occurs in anhidrotic
ectodermal dysplasia (305100). Absence of the breast also occurs with Poland syndrome
(173800).;