Overcoming Functional Redundancy To Elicit Pachyonychia Congenita-Like Nail Lesions in Transgenic Mice

Pachyonychia congenita with only nail involvement.

Dear Editor, A 10-year-old boy presented with progressive thickening of the nails over the previous 5 years. He did not have any other cutaneous and/or systemic symptoms. He was born to healthy non-consanguineous parents following an uneventful pregnancy. Upon examination, he was found to have symmetrical involvement of the finger and toenails with marked hard thickening of the distal portion o...

Pachyonychia congenita type I presenting with subtle nail changes.

Pachyonychia congenita type I is an autosomal dominant disorder where nail abnormalities are a constant feature and develop during childhood. We report here a family with pachyonychia congenita type I and very mild nail changes to underline that this diagnosis should be considered even in the absence of severe nail thickening.

Treatment of pachyonychia congenita.

There are currently no specific treatments for pachyonychia congenita (PC). Available treatments generally are directed at specific manifestations of the disorder, and an effective treatment plan must recognize that different patients are more or less troubled by different manifestations of the disease. Treatment for all aspects of PC has been less than completely satisfactory. Very few studies...

Pachyonychia Congenita in a Toddler

Pachyonychia Congenita-Associated Alopecia

A 5-year-old female, known case of pachyonychia congenita, presented with diffuse hair loss; remaining hairs were easily plucked kinky hairs. Hair samples from patient were investigated using a light microscope. The hairs of the patients were mainly anagen hairs and unlike normal plucked anagen hairs, showed keratinization and cornification of their hair bulbs. No specific hair shaft abnormalit...