The urinary tract is the body’s drainage system that removes urine. The urinary tract includes the kidneys and the bladder.
The bladder is a hollow, muscular, balloon-like organ that collects and stores urine in the lower part of the abdomen. Our kidneys produce urine, which is carried to the bladder by thin tubes called ureters. The bladder stores and passes urine.
Types of urinary tract cancer
There are two main types of urinary tract cancer: bladder cancer and kidney cancer.
Bladder cancer occurs when abnormal cells grow in the lining of the bladder. Almost all (80 to 90%) cases of bladder cancer are urothelial carcinoma, also known as transitional cell carcinoma. It starts in the urothelial cells that line the inside of the bladder.
Other rare types of bladder cancer include:
- Squamous cell carcinoma
Visit the Cancer Council website for more information about the causes, symptoms, diagnosis and treatment of bladder cancer.
Kidney cancer occurs when abnormal cells grow in the kidney. Almost all (90%) of kidney cancers are renal cell carcinoma, also called renal adenocarcinoma.
Other less common types of kidney cancer include:
- Urothelial carcinoma
- Wilms tumour
Wilms tumour, also known as nephroblastoma, is the most common type of kidney cancer in children. It is most common in children aged under five.
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