Harlequin ichthyosis (HI) is a rare and severe form of ichthyosis and is characterized by thickened, hard, armor-like plates of skin that cover the entire body.This disease is caused by mutations in the adenosine triphosphate-binding cassette transporter protein A12 gene, and the watergames pattern of inheritance is autosomal recessive.Prenatal sonographic diagnosis of HI has not been frequently reported.Here, we report a case of HI detected at 28 weeks of gestation and discuss with the sonographic findings and a brief review of literature.
The diagnosis was reached mainly based on 2-dimensional and 3-dimensional ultrasound findings.Three-dimensional ultrasound applications help recognize facial morphology, and thus, greatly contributes Sweats to prenatal diagnoses.