Lissencephaly 2


Type of disease: Rare conditions

Lissencephaly 2 is an inherited condition characterized by classical lissencephaly in association with certain abnormalities of the skull and facial (craniofacial) region, such as a low, sloping forehead; abnormal prominence of the back portion of the head (occiput); a broad, prominent nasal bridge; and widely set eyes (ocular hypertelorism). Additional symptoms and findings typically include severe or profound intellectual disability, seizures, abnormally increased muscle tone (hypertonia), exaggerated reflexes (hyperreflexia), and severe growth failure. This condition is inherited in an autosomal recessive fashion.  Mutations in the RELN gene have been identified in some affected individuals. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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