This question asks which organ's cancer risk rises specifically in dye industry workers.
- Kidney: The relevant dye industry carcinogens act mainly on the bladder lining during urinary excretion, not primarily on kidney tissue.
- Urinary bladder: Aromatic amines like benzidine, used in dye manufacturing, are excreted in urine and repeatedly irritate the bladder lining, making bladder cancer the classic occupational malignancy in this industry.
- Prostate: There is no well established specific occupational link between dye exposure and prostate cancer.
- Lung: Lung cancer is more classically tied to exposures like asbestos, not to dye industry aromatic amines.
Since the carcinogenic aromatic amines concentrate in urine and act on the bladder lining, urinary bladder cancer is the well known occupational risk for dye industry workers.
Let's summarize:
- Dye industry chemicals like aromatic amines are excreted through urine.
- This exposes the bladder lining repeatedly, making bladder cancer the classic occupational malignancy here.
So the malignancy dye industry workers are prone to is of the urinary bladder.