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Transitional cell carcinoma is a type of cancer that arises from the transitional epithelium, a tissue lining the inner surface of these hollow organs. [1] It typically occurs in the urothelium of the urinary system; in that case, it is also called urothelial carcinoma.
Invasive urothelial carcinoma is a type of transitional cell carcinoma. It is a type of cancer that develops in the urinary system: the kidney , urinary bladder , and accessory organs. Transitional cell carcinoma is the most common type of bladder cancer and cancer of the ureter , urethra , renal pelvis , the ureters , the bladder , and parts ...
The most common histology seen in primary urethral cancer (a cancer which originates in the urethra, as opposed to cancer cells from elsewhere in the body which metastasize to the area) is urothelium, a type of transitional epithelium. Urothelial cell cancers comprise just over half of primary urethral cancers.
Bladder tumors are classified by their appearance under the microscope, and by their cell type of origin. Over 90% of bladder tumors arise from the cells that form the bladder's inner lining, called urothelial cells or transitional cells; the tumor is then classified as urothelial cancer or transitional cell cancer.
Carcinoma is a type of cancer that occurs in epithelial cells. Transitional cell carcinoma is the leading type of bladder cancer , occurring in 9 out of 10 cases. [ 11 ] It is also the leading cause of cancer of the ureter, urethra, and urachus , and the second leading cause of cancer of the kidney.
Urachal cancer can exist for some years without any symptoms. The most frequent initial symptom is haematuria which occurs when the urachal tumour has penetrated the bladder wall, but mucinuria (mucin in the urine), local pain or swelling, recurrent local or urinary tract infections and umbilical discharge can (but is not always) be seen.
Stomach cancer mostly affects older people, but aside from age, risk factors include being overweight or obese; eating a diet high in salted foods and grilled or processed meats with few or no ...
209.1 Malignant carcinoid tumors of the appendix, large intestine, and rectum; 209.2 Malignant carcinoid tumors of other and unspecified sites; 209.3 Malignant poorly differentiated neuroendocrine carcinoma; 209.4 Benign carcinoid tumors of the small intestine; 209.5 Benign carcinoid tumors of the appendix, large intestine, and rectum