1. introduction Bladder carcinoma, also known as urothelial carcinoma, is one of the most common types of cancer of the urinary tract.the tumor mainly arises from the urothelial mucosa of the urinary bladder, which lines the inner wall.men are affected about three times as often as women. Risk factors: long-term smoking, contact with aromatic amines (e.g. in dyes), chronic bladder inflammation, radiotherapy, certain medications orContinue reading