Cholangiocarcinoma: Bile Ducts Cancer

Have you ever heard of the word ‘Cholangiocarcinoma’? I’ve never heard before this and I have no idea how to even pronounce it.

Apparently, it’s the term used for the cancer of the bile ducts. And now comes the question of ‘What are bile ducts?’

This question can be answered by the mechanism that is pictured in the image below which also involves the liver and gallbladder.

The bile duct is actually a 4-inch to 5-inch tube that connects the liver and gallbladder to the small intestine. The bile duct allows bile, which is made in the liver and stored in the gallbladder, to flow into the small intestine.

Now arises the question of ‘What is bile?’

Bile is a liquid that helps to both break down fats found in the foods that we eat. Other than that, it also helps the body to get rid of waste material that the liver filters out of the bloodstream.

Inside the liver, smaller tubes will drain the bile from the liver into larger branches which is the common bile duct. Outside of the liver, the bile duct drains into the small intestine.

And now, introducing our next character, the gallbladder.

The gallbladder is a reservoir that holds bile until food reaches the intestines. It is attached by a small duct, called the cystic duct, to the common bile ducts. The end of the bile duct empties into the small intestine.

Now that we understand the mechanism behind the bile ducts, liver and gallbladder, let’s move on to the cancer. This can be easily understood with the aid of the image below.

Cancer can occur in any part of the bile duct.

The part of the tube that is outside of the liver is called extrahepatic and inside the liver is called intrahepatic. Extrahepatic cancers are the most common whereas intrahepatic is least common.

Perihilar cancer begins at the point where the bile duct leaves the liver.

Distal cholangiocarcinoma occurs where the bile duct empties into the small intestine.

Prominent symptoms of cholangiocarcinoma include abnormal liver function tests, abdominal pain, jaundice, weight loss, and sometimes generalized itching, fever, or changes in stool or urine color.

Jaundice is the yellowing of the skin and the whites of the eyes as portrayed by the image below.

The cancer is diagnosed through a combination of blood tests, imaging, endoscopy, and sometimes surgical exploration.

Known risk factors for cholangiocarcinoma include primary sclerosing cholangitis (an inflammatory disease of the bile ducts), congenital liver malformations, infection with the parasitic liver flukes Opisthorchis viverrini or Clonorchis sinensis, and exposure to Thorotrast (thorium dioxide), a chemical formerly used in medical imaging.

Cholangiocarcinoma is considered to be an incurable and rapidly lethal disease unless all of its tumors can be fully cut out surgically.

Patients with cholangiocarcinoma can only be managed with chemotherapy or radiation therapy as well as palliative care measures.

As suggested by recent clinical research, nutrition plays a humungous role in cancer prevention, treatment, recurrence and quality of life for cancer patients.

A diet high in vegetables, fruits, whole grains and legumes, and low in red meat, saturated fats and alcohol, paired with daily physical activity is ideal for health and longevity.

Foods should be prepared from scratch whenever possible. Seasoning should only consist of fresh or dried herbs as salt intake should be minimized.

Intake of saturated fats, found primarily in red meat and dairy should be limited. Refined flours and sugars should be reduced.

All processed foods such as snack chips, crackers, cookies and sugary drinks like soda, sport drinks and even fruit juice should be avoided at all costs.

Copious amounts of water should be consumed to keep the body sufficiently hydrated.

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