Islet Cell Tumor: Statistics

Approved by the Cancer.Net Editorial Board, 07/2016

ON THIS PAGE: You will find information about the number of people who are diagnosed with an islet cell tumor each year. You will read general information on surviving the disease. Remember, survival rates depend on several factors.  Use the menu to see other pages.

Islet cell tumors are uncommon, with about 1,000 people diagnosed each year in the United States. Islet cell tumors account for about 3% to 5% of all pancreatic cancers.

The 5-year survival rate tells you what percent of people live at least 5 years after the tumor is found. Percent means how many out of 100. In general, the 5-year survival rate of people with an islet cell tumor is about 42%.

However, the survival rate depends on a variety of factors, including whether the tumor can be removed using surgery. If a tumor is localized and can be removed, the 5-year survival rate is about 55%. If a tumor cannot be removed, the 5-year survival rate is about 15%. 

It is important to remember that statistics on the survival rates for people with an islet cell tumor are an estimate. The estimate comes from annual data based on the number of people with this type of tumor in the United States. Also, experts measure the survival statistics every 5 years. So the estimate may not show the results of better diagnosis or treatment available for less than 5 years. People should talk with their doctor if they have questions about this information. Learn more about understanding statistics.

Source: National Cancer Institute.

The next section in this guide is Medical Illustrations. It offers drawings of body parts often affected by this disease. Or, use the menu to choose another section to continue reading this guide.