A congenital asymmetric crying facies (ACF) is caused by congenital hypopla
sia or agenesis of the depressor anguli oris muscle. Associations of this f
acial defect with major congenital anomalies have been reported, most commo
nly in the cardiovascular system and less frequently involving the genitour
inary, musculoskeletal, cervicofacial, respiratory, and rarely, the endocri
ne system. It is also well known that congenital hypothyroidism may be asso
ciated with other congenital malformations, especially with cardiac defects
. Two newborn infants who had ACF associated with congenital heart defect a
nd congenital hypothyroidism are described. To the best of our knowledge th
e association of ACF and congenital hypothyroidism has not previously been
published.