The Witkop syndrome is a rare autosomal dominant disorder characterized by the absence of several teeth and abnormalities of the nails. This is the first report of a rare genetic tooth and nail syndrome diagnosed in a 2.5-year-old boy with early exfoliation of the primary canine, absence of the primary incisors, and nail dysplasia. A homozygous mutation was identified in 3'-UTR of MSX1 gene in ...

An 8-year old boy with polyarthritis and nail involvement is presented in this report. Nail involvement in Reiter's syndrome is a rare condition that may include painless erythematous nduration of the base of the nail fold; subungual parakeratotic scaling and thickening opacification, ridging of the nail plate.

background: toxic and hazardous heavy metals like arsenic, lead, mercury, zinc, chromium and iron are found in a variety of personal care products, e.g. lipstick, whitening toothpaste, eyeliner and nail color. the nails absorb the pigments of nail polishes and vaporized or soluble metals can easily pass it. the goal of this survey was to assess whether the different colors of nail polishes comp...