Hydrocarbon keratosis

Hydrocarbon keratosis
Other namesPitch keratosis, tar keratosis, and tar wart.
Tar wart
SpecialtyDermatology

A hydrocarbon keratosis, also known as pitch keratosis, tar keratosis, and tar wart, is a precancerous keratotic skin lesion that occurs in people who have been occupationally exposed to polycyclic aromatic hydrocarbons.:728