Gallbladder cancer is a disease in which cancer cells grow in the gallbladder. This is a relatively rare form of cancer. The gallbladder is a small pear-shaped organ that sits beneath the liver. It stores bile until it is needed by the digestive system. Bile is a greenish-yellow digestive fluid produced by the liver that helps in digesting fat.
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Cancer occurs when cells in the body divide without control or order. Normally, cells divide in a regulated manner. If cells keep dividing uncontrollably when new cells are not needed, a mass of tissue forms, called a growth or tumor. The term cancer refers to malignant growths. These growths can invade nearby tissues. Cancer that has invaded nearby tissues can then spread to other parts of the body.
It is not clear exactly what causes these problems in the cells, but is probably a combination of genetics and environment.
Gallbladder cancer is more common in women and those of Native American or Hispanic descent. Other factors that may increase your chance of gallbladder cancer include:
Gallbladder cancer often shows no symptoms in its early stages. As the disease progresses, symptoms associated with bile obstruction often develop. These include:
Other symptoms may include:
The doctor will ask about your symptoms and medical history. A physical exam will be done. Gallbladder cancer is often hard to diagnose because there are no early symptoms. Gallbladder cancer is usually discovered incidentally during abdominal surgery for other reasons.
Tests may include:
Imaging tests evaluate the gallbladder and surrounding structures. These may include:
The physical exam combined with all of your test results, will help to determine the stage of cancer you have. Staging is used to guide your treatment plan. Like other cancers, gallbladder cancer is staged from I-IV. Stage I is a very localized cancer, while stage IV indicates a spread to other parts of the body.
Treatment depends on the stage of the cancer. For advanced cancers, treatment is done only to help relieve symptoms. Treatments include:
Surgical removal of the gallbladder is called cholecystectomy. Part of the liver and lymph nodes near the gallbladder may also be removed. In some cases, surgery is done to relieve symptoms by opening obstructed bile ducts. ERCP may also be used for this purpose.
Radiation therapy uses radiation to kill cancer cells and shrink tumors. Radiation is most often administered from a source outside the body.
Chemotherapy is the use of drugs to kill cancer cells. The drugs enter the bloodstream and travel through the body killing mostly cancer cells, but also some healthy cells. Chemotherapy is not considered curative for gallbladder cancer, but may relieve symptoms in some.
CMT is a term gaining popularity and meaning several treatments at once or in succession. Although it has not been shown that chemo- and radiation therapy at the same time are better than radiation therapy alone in the treatment of gallbladder cancer, CMT is better with many other kinds of cancers.
American Cancer Society
National Cancer Institute
Canadian Cancer Society
Women's Health Matters
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Gallbladder cancer. American Cancer Society website. Available at: http://www.cancer.org/acs/groups/cid/documents/webcontent/003101-pdf.pdf. Accessed November 26, 2014.
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10/1/2014 DynaMed Plus Systematic Literature Surveillance. http://www.dynamed.com/topics/dmp~AN~T116527/Gallbladder-adenocarcinoma: Bhaskaran K, Douglas I, Forbes H, et al. Body-mass index and risk of 22 specific cancers: a population-based cohort study of 5.24 million UK adults. Lancet. 2014;384(9945):755-765.
Last reviewed December 2015 by Mohei Abouzied, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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