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Bladder cancer from aromatic amines — DOccMed MCQ

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HardOccupational CancerBladder cancer from aromatic aminesDOccMed

A 64-year-old retired dye-manufacturing worker presents with painless haematuria. He handled beta-naphthylamine-containing intermediates in the 1980s and had no previous urological disease. What is the most likely occupational diagnosis?

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Correct answer: E — Occupational bladder cancer related to aromatic amine exposure

Aromatic amines used historically in dye and rubber industries are classic occupational causes of bladder cancer. Painless haematuria is the key presenting feature. The latency between exposure and cancer can be decades. The other options do not fit the exposure-disease relationship.

Reference: IIDB prescribed diseases guidance; HSE carcinogens guidance