Synonym(s)
Pitch Black; tar keratosis; Tar warts
DefinitionThis section has been translated automatically.
Precancerous skin changes (obligatory precancerosis) with keratotic papules, wart-like keratoses or keratoacanthomas after years of tar exposure. Recognized occupational skin disease (BK No. 5102) in tar workers, chimney sweeps and paraffin workers. Carcinogenic effects are mainly caused by the following compounds occurring in tar: 3,4-benzpyrene, 1,2,5,6-dibenzanthracene, methylcholanthrene and others.
LocalizationThis section has been translated automatically.
Especially face, neck, back of the hands, forearms, scrotal skin. Sunlight as a cofactor is known, but may be overrated.
TherapyThis section has been translated automatically.
If possible, excision or electrosurgical ablation. Possibly ablation with the erbium YAG laser. Regular monitoring of the skin to exclude malignant tumours.
Recommended articles
Incoming links (7)
Chimney sweep crab; Pitch black; Scrotal carcinoma; Tar carcinoma; Tar melanose; Tarred skin; Tar warts;Outgoing links (5)
Erbium yag laser; Excision; Occupational skin disease according to BK 5101; Papel; Pix;Disclaimer
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.
Prof. Dr. med. Peter Altmeyer