Harlequin ichthyosis is a rare and the most severe form of congenital ichthyosis. Although prenatal diagnosis is difficult for this disorder, recently, this obstacle has markedly improved with the use of DNA-based prenatal diagnosis. Here in, we presented a neonate with harlequin ichthyosis born by assisted reproductive technology (ART). In this case, the diagnosis of harlequin ichth...

Harlequin ichthyosis is one of the most severe congenital skin cornification disorders with an incidence rate of about 1 in 300000 births and characteristic clinical features. We report two cases of harlequin ichthyosis (HI) or harlequin fetus (HF), which were products of consanguineous union. Clinical examination showed typical features of harlequin ichthyosis, with the presence of plaques wit...

Congenital ichthyosis is often associated with typical neonatal phenotypes, "Collodion baby" and "Harlequin foetus", later transforming into severe lamellar or erythrodermic ichthyosis. However, in a minority of cases the skin condition will improve spontaneously after birth, although slight scaling, xerosis, hypohidrosis and keratoderma usually persist. Some of these patients will eventually b...

INTRODUCTION Ichthyosis is a group of keratinizing diseases characterized by scaly and dry skin. One of the ocular complications associated with ichthyosis is cicatricial ectropion which often results in exposure keratopathy and eventually corneal scarring. PRESENTATION OF CASE In this report we are presenting a 21-year-old female who is known to have ichthyosis-related bilateral lower lid ci...

Ichthyosis is a broad and loosely defined group of hereditary and acquired disorders characterized by filaggrin dysfunction and impaired epidermal homeostasis that results in dry, scaly and thickened skin. Individuals with truncation mutations in the profilaggrin gene coding for filaggrin are strongly predisposed to severe forms of ichthyosis. The phenotypical expression of ichthyosis caused by...

We recently identified mutations of the keratinocyte transglutaminase gene as a cause of lamellar ichthyosis. In this study we analyzed two sporadic cases of lamellar ichthyosis. Transglutaminase activity measured in membrane extracts from cultured differentiating keratinocytes was within the range observed in normal individuals. Western blot and Northern blot analysis revealed normal size and ...

Autosomal recessive congenital ichthyosis (ARCI) includes a wide range of ichthyosis phenotypes, including harlequin ichthyosis, lamellar ichthyosis (LI), congenital ichthyosiform erythroderma (CIE), and self-improving collodion ichthyosis (SICI) (1, 2). To date, 9 causative genes for ARCI have been identified (1, 2). ALOXE3 is a causative gene in LI as well as CIE, and it encodes the eLOX-3 li...

The term autosomal recessive congenital ichthyosis (ARCI) refers to a group of rare disorders of keratinization classified as nonsyndromic forms of ichthyosis. This group was traditionally divided into lamellar ichthyosis (LI) and congenital ichthyosiform erythroderma (CIE) but today it also includes harlequin ichthyosis, self-healing collodion baby, acral self-healing collodion baby, and bathi...

Harlequin ichthyosis is a rare and exceedingly severe form of congenital ichthyosis with an incidence of approximately 1 in 300,000 births. These patients are at a high risk for neonatalinfection and septicemia. Most affected infants die within the  first days or weeks of life.We report a male baby born with harlequin ichthyosis. There is limited information regarding the course and...

Ichthyosis is a heterogeneous cluster of keratinization disorders. Autosomal dominant ichthyosis vulgaris, the most common type, has an estimated incidence of 1 in 250 births, and X-linked recessive ichthyosis, the second most common form, has an incidence of 1 in 6000 male births. In addition, there are approximately 6.7 in 100,000 cases of moderate-to-severe ichthyosis. Congenital ichthyoses ...