Primary care providers are aware that inflammatory bowel disease (IBD) is a risk factor for colorectal cancer. . . but there is much more to the IBD/cancer connection. Although small bowel adenocarcinoma is a rare entity, its risk is increased 20 to 30 times in persons with Crohn disease (Figure).1 Also, the risk of skin cancer, including melanoma, is increased in persons with IBD.
There is a lot of new information regarding the association of various malignancies in the context of IBD. Here are 3 key questions and answers.
#1. What is the spectrum of cancer associated with IBD?