• Asymmetric crying facies is a common neonatal problem with multiple causes. Asymmetric crying facies occurred in a newborn, secondary to familial hypoplasia of the anguli oris depressor muscle. The differential diagnosis of asymmetric crying facies should include this genetic cause.
(Am J Dis Child 133:743-746, 1979)
Miller M, Hall JG. Familial Asymmetric Crying FaciesIts Occurrence Secondary to Hypoplasia of the Anguli Oris Depressor Muscles. Am J Dis Child. 1979;133(7):743-746. doi:10.1001/archpedi.1979.02130070079017