Schinzel-Giedion Syndrome: Distinct dysmorphic syndrome of
congenital hydronephrosis, skeletal dysplasia (open cranial sutures, steep
short skull, wide occipital synchondrosis), and severe developmental
retardation. Coarse facies characterized by midface retraction, bulbing
forehead, facial hemangiomas, short nose with anteverted nostrils,
protruding large tongue, and hypertelorism. Death usually occurs during
infancy.