Lujan–Fryns syndrome - Wikipedia - syndrome mental retardation facial features

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Williams Syndrome - NORD (National Organization for Rare Disorders) syndrome mental retardation facial features


Alpha-thalassemia mental retardation syndrome; Child of 8 yrs with the characteristic facial features of ATR-X syndrome. Note the upswept frontal hair line, hypertelorism, epicanthic folds, flat nasal bridge, small triangular upturned nose, tented upper lip, everted lower lip and hypotonic facies.

Mental retardation and distinctive facial features with or without cardiac defects (MRFACD) is an autosomal dominant, complex syndromic neurodevelopmental disorder characterized by delayed psychomotor development, poor speech acquisition, distinctive dysmorphic facial features, including frontal bossing, upslanting palpebral fissures, depressed nasal bridge with bulbous tip, and macrostomia.

Lujan–Fryns syndrome (LFS) is an X-linked genetic disorder that causes mild to moderate intellectual disability and features described as Marfanoid habitus, referring to a group of physical characteristics similar to those found in Marfan syndrome. These features include a Specialty: Medical genetics.

See commentary "Hirschsprung disease, mental retardation, characteristic facial features, and mutation in the gene ZFHX1B (SIP1): confirmation of the Mowat-Wilson syndrome." in Am J Med Genet A, volume 116A on page 385.

Mowat-Wilson syndrome is a genetic condition that affects many parts of the body. Major signs of this disorder frequently include distinctive facial features, intellectual disability, delayed development, an intestinal disorder called Hirschsprung disease, and other birth defects.. Children with Mowat-Wilson syndrome have a square-shaped face with deep-set, widely spaced eyes.