Transitional Cell Carcinoma
Definition
Transitional cell carcinoma is a type of cancer that originates in the kidney, bladder, or ureter (the tube that carries urine from the kidney to the bladder).
Description
A transitional cell is intermediate between the flat squamous cell and the tall columnar cell. It is restricted to the epithelium (cellular lining) of the urinary bladder, ureters (tubes that carry urine from the kidneys to the bladder), and the pelvis of the kidney (that portion of the kidney collecting the urine as it leaves the kidneys and enters the ureters). Transitional cell carcinomas have a wide range in their gross appearance depending on their locations. Some of these carcinomas are flat in appearance, some are...
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