Liver cancer

Many times liver cancer are treated with minimally invasive options. As compared to traditional treatment it offers early recovery.

Transarterial chemoembolization (TACE) for liver cancer
Embolization is a treatment that blocks or slows down the blood supply to tissues or an organ.

It can be used to block the flow of blood to a tumour so the cancer cells die. When the material used to block the blood supply also delivers chemotherapy drugs to the tumour, it is called chemoembolization.

Transarterial chemoembolization (TACE) is a specific type of chemoembolization that blocks the hepatic artery to treat liver cancer.

Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer. This type of tumour grows a large number of blood vessels. These blood vessels get most of their blood supply from the hepatic artery, while the rest of the liver tissue gets blood from the portal vein. Because of this, doctors can block the hepatic artery to cut off the blood supply to the tumour without affecting the rest of the liver.

The healthcare team will only offer TACE if you have good liver function, you don’t have any fluid in your abdomen (called ascites) and there are no problems with the portal vein in your liver.

Liver Cancer Treatment

TACE may be used if your liver cancer can’t be removed with surgery but it hasn’t spread to the major blood vessels in the liver, lymph nodes or other parts of the body. You may also be offered TACE to keep a liver tumour small if you are waiting for a liver transplant (called “bridging” therapy).

Doctors may offer TACE to treat liver tumours that are larger than 5 cm, but it may take 2 or 3 treatments to shrink these tumours. If cancer is in both lobes of the liver, doctors will treat one lobe at a time. Treatment to each lobe is usually given a month apart so that you have time to recover from the first TACE treatment.

How TACE is done

TACE is done in the x-ray department of a hospital. You may be given a local anesthetic with a drug to help you relax, or you may be given a general anesthetic to put you to sleep.

The doctor places a thin tube (called a catheter) into the large blood vessel in your groin (called the femoral artery). The doctor then moves the catheter up through the artery until it reaches the hepatic artery in the liver. A radio-opaque dye is injected into the catheter and an x-ray is taken to find the branches of the artery that are feeding the liver tumour (called an angiogram).

The doctor then moves the catheter to these arteries. The doctor injects a material into the arteries feeding the tumour. The material blocks these arteries. Some types of blocking material dissolve so the arteries are not permanently blocked.

The most commonly used material for TACE is a gelatin sponge. Sometimes the gelatin sponge is soaked in a chemotherapy drug and an oily liquid called lipiodol before the doctor injects it into the artery.

The sponge traps the chemotherapy drugs inside the liver so that they are concentrated in the area of the tumours. Lipiodol lengthens the amount of time that the drugs are held in the liver.

If the chemotherapy drugs are not in the sponge, they are injected into the arteries after they are blocked.

DEB-TACE is a new way of delivering chemotherapy during TACE. It uses special beads that already have the chemotherapy drug in them (called drug-eluting beads, or DEBs).

After these beads are injected into the arteries in the liver, they slowly release the drug to treat the tumour. These drug-eluting beads are as effective as using the sponge or injecting chemotherapy drugs in the arteries. DEB-TACE may have fewer side effects than the other methods.

If the cancer is in only one lobe of the liver, doctors may give a small amount of chemotherapy to the other lobe to treat any tumours that might be in it.

After the chemoembolization is done, the doctor pulls the catheter out through the femoral artery. Pressure and ice are placed over the incision to help reduce swelling and stop bleeding.

If you notice any of the symptoms, you must visit a Best Interventional Radiologist in Pune, Dr. Zade Vascular & Oncology Clinic, at the earliest. 

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