label: Sifrim-Hitz-Weiss syndrome
label_lc: sifrim-hitz-weiss syndrome
description: A rare multiple congenital anomalies/dysmorphic syndrome due to CHD4 gene mutations. It is characterized by developmental delay, speech delay and variable degree of intellectual disability (mostly mid-to-moderate but some patients may also have normal intelligence). Even though clinical manifestations are significantly variable among patients, most patients manifest dysmorphic facial features (could sometimes include macrocephaly), congenital heart defects, hypotonia and opthalmologic abnormalities. Other clinical features may include brain structure anomalies, skeletal anomalies, hearing impairment and hypogonadism (only in males).