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Gallbladder Cancer Library

Learn about Gallbladder Cancer

Gallbladder cancer is a rare type of cancer that starts in the tissues of the gallbladder.

Gallbladder cancer occurs when cells in the gallbladder start to grow out of control. The gallbladder is a pear-shaped organ that lies just under the liver in the upper abdomen. The gallbladder stores bile, a fluid made by the liver to digest fat. When food is being broken down in the stomach and intestines, bile is released from the gallbladder through a tube called the common bile duct, which connects the gallbladder and liver to the first part of the small intestine.

The wall of the gallbladder has 4 main layers of tissue:

  • mucosal (inner) layer
  • muscle layer
  • connective tissue layer
  • serosal (outer) layer

Primary gallbladder cancer starts in the inner layer and spreads through the outer layers as it grows.

Signs and symptoms of gallbladder cancer include jaundice, fever, and pain.

These and other signs and symptoms may be caused by gallbladder cancer or by other conditions. Check with your doctor if you have any of the following:

  • jaundice (yellowing of the skin and whites of the eyes)
  • pain above the stomach
  • fever
  • nausea and vomiting
  • bloating
  • lumps in the abdomen

Gallbladder cancer is difficult to detect (find) and diagnose early.

Gallbladder cancer is difficult to detect and diagnose for the following reasons:

  • People rarely have signs or symptoms in the early stages of gallbladder cancer.
  • The symptoms of gallbladder cancer, when present, are like the symptoms of many other illnesses.
  • The gallbladder is hidden behind the liver.

Gallbladder cancer is sometimes found when the gallbladder is removed for other reasons. Although gallstones are the most common risk factor for developing gallbladder cancer, the overall risk is low. Most people with gallstones do not develop gallbladder cancer.

Tests that examine the gallbladder and nearby organs are used to detect (find), diagnose, and stage gallbladder cancer.

Procedures that make pictures of the gallbladder and the area around it help diagnose gallbladder cancer and show how far the cancer has spread. The process used to find out if cancer cells have spread within and around the gallbladder is called staging.

To plan treatment, it is important to know if the gallbladder cancer can be removed by surgery. Tests and procedures to detect, diagnose, and stage gallbladder cancer are usually done at the same time. In addition to asking about your personal and family health history and doing a physical exam, your doctor may perform the following tests and procedures:

  • Liver function tests: A procedure in which a blood sample is checked to measure the amounts of certain substances released into the blood by the liver. A higher than normal amount of a substance can be a sign of liver disease that may be caused by gallbladder cancer.
  • Blood chemistry studies: A procedure in which a blood sample is checked to measure the amounts of certain substances released into the blood by organs and tissues in the body. An unusual (higher or lower than normal) amount of a substance can be a sign of disease.
  • CT scan (CAT scan): A procedure that makes a series of detailed pictures of areas inside the body, such as the chest, abdomen, and pelvis, taken from different angles. The pictures are made by a computer linked to an x-ray machine. A dye may be injected into a vein or swallowed to help the organs or tissues show up more clearly. This procedure is also called computed tomography, computerized tomography, or computerized axial tomography.
  • Ultrasound exam: A procedure in which high-energy sound waves (ultrasound) are bounced off internal tissues or organs and make echoes. The echoes form a picture of body tissues called a sonogram. An abdominal ultrasound is done to diagnose gallbladder cancer.
  • PTC (percutaneous transhepatic cholangiography): A procedure used to x-ray the liver and bile ducts. A thin needle is inserted through the skin below the ribs and into the liver. Dye is injected into the liver or bile ducts and an x-ray is taken. If a blockage is found, a thin, flexible tube called a stent is sometimes left in the liver to drain bile into the small intestine or a collection bag outside the body.
  • ERCP (endoscopic retrograde cholangiopancreatography): A procedure used to x-ray the ducts (tubes) that carry bile from the liver to the gallbladder and from the gallbladder to the small intestine. Sometimes gallbladder cancer causes these ducts to narrow and block or slow the flow of bile, causing jaundice. An endoscope (a thin, lighted tube) is passed through the mouth, esophagus, and stomach into the first part of the small intestine. A catheter (a smaller tube) is then inserted through the endoscope into the bile ducts. A dye is injected through the catheter into the ducts and an x-ray is taken. If the ducts are blocked by a tumor, a fine tube may be inserted into the duct to unblock it. This tube (or stent) may be left in place to keep the duct open. Tissue samples may also be taken.
  • MRI (magnetic resonance imaging) with gadolinium: A procedure that uses a magnet, radio waves, and a computer to make a series of detailed pictures of areas inside the body. A substance called gadolinium is injected into a vein. The gadolinium collects around the cancer cells so they show up brighter in the picture. This procedure is also called nuclear magnetic resonance imaging (NMRI).
  • Endoscopic ultrasound (EUS): A procedure in which an endoscope is inserted into the body, usually through the mouth or rectum. An endoscope is a thin, tube-like instrument with a light and a lens for viewing. A probe at the end of the endoscope is used to bounce high-energy sound waves (ultrasound) off internal tissues or organs and make echoes. The echoes form a picture of body tissues called a sonogram. This procedure is also called endosonography.
  • Laparoscopy: A surgical procedure to look at the organs inside the abdomen to check for signs of disease. Small incisions (cuts) are made in the wall of the abdomen and a laparoscope (a thin, lighted tube) is inserted into one of the incisions. Other instruments may be inserted through the same or other incisions to perform procedures such as removing organs or taking tissue samples for biopsy. Laparoscopy helps to find out if the cancer is within the gallbladder only or has spread to nearby tissues and if it can be removed by surgery.
  • Biopsy: The removal of cells or tissues so they can be viewed under a microscope by a pathologist to check for signs of cancer. The biopsy may be done after surgery to remove the tumor. If the tumor clearly cannot be removed by surgery, the biopsy may be done using a fine needle to remove cells from the tumor.

Certain factors affect the prognosis (chance of recovery) and treatment options.

The prognosis and treatment options depend on:

  • the stage of the cancer (whether the cancer has spread from the gallbladder to other places in the body)
  • whether the cancer can be completely removed by surgery
  • the type of gallbladder cancer (how the cancer cell looks under a microscope)
  • whether the cancer has just been diagnosed or has recurred (come back)

Treatment may also depend on the age and general health of the patient and whether the cancer is causing signs or symptoms.

Gallbladder cancer can be cured only if it is found before it has spread, when it can be removed by surgery. If the cancer has spread, palliative treatment can improve the patient's quality of life by controlling the symptoms and complications of this disease.

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