MedicalTerminology DB
Diseases & Disorders Skin, Hair & Nails

precancerous dermatitis

Meaning of precancerous dermatitis: A skin disease marked by scaly or thickened patches on the skin and often caused by prolonged exposure to arsenic.

Definition of precancerous dermatitis

A skin disease marked by scaly or thickened patches on the skin and often caused by prolonged exposure to arsenic. The patches often occur on sun-exposed areas of the skin and in older white men. These patches may become malignant (cancer). Also called Bowen disease and precancerous dermatosis.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

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