Bladder Cancer Staging | Dr Sunny Garg - Medical Oncologist

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07/08/23

In this video, Dr Sunny Garg will explain bladder cancer TNM staging of Bladder Cancer in detail. Watch the video to better understand the different stages of bladder cancer.

Both Tis and Ta are the non-invasive sub-types of bladder cancer. When the tumor infiltrates infiltrates into the lamina propria it is called T1. When it infiltrates into the inner muscle layer, it is called as T2a. And T2b when it infiltrates into the outer muscle layer. Till T2 the tumor is limited to bladder wall, but when the tumor infiltrates through the bladder wall to involve the peri vesical tissue it is called as T3 disease. And in T4 disease, the tumor infiltrates through the bladder wall to involve the adjacent structures. It may extend downwards to infiltrate prostate gland in male. Whereas in females, it may extend posteriorly to involve the uterus or vagina. It may also extend laterally to involve the pelvic or abdominal wall.

Depending upon the number and location of the lymph nodes involved, it can be N1, N2, or N3. It is called M1 if there is distant spread of tumor to other parts of body.

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