MIBC overview

Muscle-Invasive Bladder Cancer (MIBC) - Advanced Stage of Bladder Cancer

Abbreviations: mBC=metastatic bladder cancer; MIBC=muscle-invasive bladder cancer; NMIBC=non-muscle invasive bladder cancer.

References: 1. National Cancer Institute SEER Training Modules: Urinary Bladder. https://training.seer.cancer.gov/anatomy/urinary/components/bladder.html. Accessed July 2024. 2. GLOBOCAN 2022: Bladder cancer 9th most common worldwide. https://worldbladdercancer.org/news_events/globocan-2022-bladder-cancer-is-the-9th-most-commonly-diagnosed-worldwide/. Accessed July 2024; 3. American Cancer Society: Key Statistics for Bladder Cancer. https://www.cancer.org/cancer/types/bladder-cancer/about/key-statistics.html. Accessed July 2024; 4. American Cancer Society: What is bladder cancer? https://www.cancer.org/cancer/bladder-cancer/about/what-is-bladder-cancer. Accessed July 2024; 5. Holzbeierlein J, et al J Urol. 2024;211:533–538; 6. GLOBOCAN Cancer Stats Facts: Bladder Cancer. https://seer.cancer.gov/statfacts/html/urinb.html. Accessed July 2024; 7. Stage IV bladder cancer. https://www.texasoncology.com/types-of-cancer/bladder-cancer/stage-iv-bladder-cancer. Accessed July 2024; 8. Mari A, et al. World J Urol. 2018;36:150–E170.

Muscle-invasive bladder cancer (MIBC) is a locally advanced stage of bladder cancer

Bladder cancer is the ninth most common cancer with around 2 million people living with the disease worldwide.2 Bladder cancer predominantly affects people over 55 years of age and is more common in men.3

NMIBC is the earliest stage of bladder cancer where the tumour is confined to the inner lining of the bladder and accounts for around 75% of cases.4,5

MIBC comprises ~25% of newly diagnosed bladder cancers.5 MIBC is a locally-advanced stage of bladder cancer that has penetrated the bladder muscle wall and can involve tumour invasion into the perivesical tissue and nearby lymph nodes.3,4

Metastatic bladder cancer is the most advanced stage of bladder cancer where the tumour has spread to adjacent organs and tissues, accounting for around 5% of cases.3,6

Despite the curative intent of radical cystectomy, up to 50% of patients may still experience recurrence or disease progression within 5 years.7,8 Therefore, the aim of MIBC treatment is to halt disease recurrence and progression.

Abbreviations: mBC=metastatic bladder cancer; MIBC=muscle-invasive bladder cancer; NMIBC=non-muscle invasive bladder cancer.

References: 1. National Cancer Institute SEER Training Modules: Urinary Bladder. https://training.seer.cancer.gov/anatomy/urinary/components/bladder.html. Accessed July 2024. 2. GLOBOCAN 2022: Bladder cancer 9th most common worldwide. https://worldbladdercancer.org/news_events/globocan-2022-bladder-cancer-is-the-9th-most-commonly-diagnosed-worldwide/. Accessed July 2024; 3. American Cancer Society: Key Statistics for Bladder Cancer. https://www.cancer.org/cancer/types/bladder-cancer/about/key-statistics.html. Accessed July 2024; 4. American Cancer Society: What is bladder cancer? https://www.cancer.org/cancer/bladder-cancer/about/what-is-bladder-cancer. Accessed July 2024; 5. Holzbeierlein J, et al J Urol. 2024;211:533–538; 6. GLOBOCAN Cancer Stats Facts: Bladder Cancer. https://seer.cancer.gov/statfacts/html/urinb.html. Accessed July 2024; 7. Stage IV bladder cancer. https://www.texasoncology.com/types-of-cancer/bladder-cancer/stage-iv-bladder-cancer. Accessed July 2024; 8. Mari A, et al. World J Urol. 2018;36:150–E170.