Harlequin Ichthyosis

Harlequin Fetus


Type of disease: Rare conditions

Harlequin ichthyosis is a severe genetic disorder that mainly affects the skin.  The newborn infant is covered with plates of thick skin that crack and split apart. The thick plates can pull at and distort facial features and can restrict breathing and eating.  Mutations in the ABCA12 gene cause harlequin ichthyosis.  This condition is inherited in an autosomal recessive pattern.  Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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