Background: Previous studies have reported rapid increases in anal cancer incidence rates in seven high-income countries in North America, Europe and Oceania. There is very limited information on whether this pattern is replicated in other parts of the world. In this study, we examine recent trends in anal cancer incidence in 18 countries worldwide. We also conducted an extended analysis of the data from the USA through to Results: ASCC was the main histological subtype in most of the countries considered in this analysis.
Understanding the Burden of Human Papillomavirus-associated Anal Cancers in the US
Anal cancer – a review
Skip to Content. You will also read general information on surviving the disease. Remember, survival rates depend on several factors. Use the menu to see other pages. This year, an estimated 8, adults 2, men and 5, women in the United States will be diagnosed with anal cancer.
The anus is an organ that lies at the end of the digestive tract below the rectum. It consists of two sections: the anal canal and the anus or anal verge. The anal canal is a cm long structure that lies between the anal sphincter one of the muscles that controls bowel movements just below the rectum and the anal verge which represents the transition point between the digestive tract and the skin on the outside of the body. Muscles within the anal canal and anus control the passage of stool from the rectum to outside the body.
Cases diagnosed between and from 39 population-based cancer registries were analyzed. Incidence rates were age-adjusted to the US standard population. From through , the annual age-adjusted invasive anal cancer incidence rate was 1.