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What You Need to Know About Liver Cancer

By LISA SCHULMEISTER, MN, RN, ANCS-BC, FAAN
PUBLISHED THURSDAY, JANUARY 1, 1970
What You Need to Know About Liver Cancer
Although primary hepatocellular cancer or “liver cancer” is a relatively rare cancer, its incidence in the United States increased 72% from 2003-2012. Less than half (43%) of the 40,000 people diagnosed each year have early-stage disease, and their 5-year survival rate is only 31%.
 
Fortunately, new treatment modalities and clinical trial results are promising. Yet despite these advances, the 5-year survival rate for metastatic liver cancer is a dismal 3%. The Centers for Disease Control and Prevention (CDC) also note that the mortality rate for liver cancer is increasing faster than the  rate for any other type of cancer.
 
Some of the risk factors associated with the development of liver cancer include obesity, type II diabetes, heavy alcohol consumption, cirrhosis, non-alcoholic fatty liver disease, an autoimmune disease called primary biliary cirrhosis, and inherited metabolic diseases, such as hereditary hemochromatosis. A few rare diseases increase the risk of liver cancer (eg, tyrosinemia, porphyria, Wilson disease). Long-term exposure to aflatoxins, produced by a fungus that contaminates certain grains, and exposure to the chemicals vinyl chloride and thorium dioxide are associated with the development of liver cancer. Long-term anabolic steroid use slightly increases the risk of liver cancer, whereas corticosteroids do not increase the risk of liver cancer.
 
A major contributing factor for liver cancer is infection with hepatitis B or C. Worldwide, chronic infection with hepatitis causes 80% of all primary liver cancers. In the United States, hepatitis disproportionately affects Asian Americans and Pacific Islanders; although they make up less than 5% of the population, they account for more than half of Americans infected with hepatitis B. In fact, two of three Asian Americans with hepatitis B are unaware that they are infected.
 
The CDC now recommends hepatitis B testing for anyone born in Asia or the Pacific Islands (except New Zealand and Australia) and anyone born in the United States, who was not vaccinated at birth, and has at least one parent who was born in East or Southeast Asia (except Japan) or the Pacific Islands (except New Zealand and Australia).
 
Although there is no vaccine to prevent hepatitis C, there is an effective vaccine against hepatitis B infection. Receiving all three doses of hepatitis B vaccine provides greater than 90% protection to infants, children, and adults who are immunized before being exposed to the virus. In fact, the hepatitis B vaccine is known as the “world’s first anticancer vaccine.” In many countries, including the United States, vaccinating newborns with the hepatitis vaccine has reduced the number of new cases of liver cancer caused by hepatitis B.
 
The American Association for the Study of Liver Diseases issued screening recommendations for liver cancer, and they include screening people at high risk for developing liver cancer and screening people who are awaiting liver transplants. Screening should include ultrasound imaging in conjunction with alfa-fetoprotein (AFP) blood test monitoring (the AFP is not sensitive nor specific enough to be used alone). People with chronic hepatitis B or C infection need to be screened every 6 months.
 
The treatment of liver cancer depends on the stage of the disease and patient factors (eg, comorbidities, expected lifespan, the patient’s goals). Options may include surgery (partial hepatectomy or liver transplant), tumor ablation or embolization, radiation therapy, targeted therapy, and chemotherapy. A number of clinical trials are enrolling people diagnosed with liver cancer.
 
Because liver cancer is an uncommon disease, patients may benefit from referral to national and online resources. Online support for patients with liver cancer includes the American Liver Foundation (www.liverfoundation.org) and Liver Cancer Connect  (www.livercancerconnect.org), a dedicated program of the Hepatitis B Foundation. The site includes a directory of liver cancer specialists and liver cancer treatment centers, informational webinars, resources for healthcare providers, and information on new drugs and clinical trials.
 
Numerous unproven “cures” and treatments for liver cancer are advertised online, which may appeal to both the newly diagnosed as well as those who have not responded to treatment. As oncology nurses, we can help our patients navigate through the misinformation and identify reputable sources of information. For patients with liver cancer, as well as many other types of cancer, the best outcomes occur when patients make informed, evidence-based decisions.
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Lisa Schulmeister, MN, RN, ACNS-BC, FAAN, is an oncology nursing consultant and editor-in-chief of Oncology Nursing News.
 
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