James D. Lewis, MD
Last Modified: November 1, 2001
Dear OncoLink "Ask the Experts,"
Can hemorrhoids lead to rectal or colon cancer?
James D. Lewis, MD, MSCE, Assistant Professor of Medicine, Senior Scholar at the Center for Clinical Epidemiology and Biostatistics, and Senior Fellow in the Leonard Davis Institute of Health Economics at the University of Pennsylvania, responds:
There is no reason to believe that hemorrhoids lead to colorectal cancer. However, the symptoms of hemorrhoids are often similar to those of colorectal cancer or anal cancer. Some symptoms of hemorrhoids include:
Jul 23, 2012 - About 85 percent of colon and rectal cancers are very similar in terms of genomic alterations, according to a study published online July 18 in Nature.
Jan 31, 2015