Catalog

Occupational melanosis

No MMS code

Link to WHO Definition

Occupational melanosis – http://id.who.int/icd/entity/1515424793

Occupational melanosis is an increase in skin pigmentation attributable to chronic occupational exposure to substances such as coal-tar, pitch and asphalt. Photoactive constituents including anthracene and phenanthrene are thought to be responsible. Reticulate pigmentation develops slowly after prolonged exposure and is associated with atrophy, telangiectasia, lichenoid papules and follicular keratosis.