[Facial asymmetry when crying. Apropos of 9 cases].

Authors report nine cases of asymmetric crying facies related to congenital aplasia or hypoplasia of depressor anguli oris muscle (DAOM). The interest of this abnormality consists in the frequently associated malformations (over 50%), specifically, congenital heart disease, urogenital, musculoskeletal and cervicofacial. This association occurs in five of our cases. Its genetical condition is significant: 22% in our own series. The paper emphasizes the easiness of diagnosis (merely observing the baby crying) and also its frequency, higher than usually thought.