Anal Cancer Underlying Cause
The exact cause of anal cancer is unknown, but genetics may play a role in the determination of risk.
Genes control the functions inside a cell. Special genes control how cells divide and grow. Cancer occurs when the damaged genes stimulate the cell to multiply out of control. The exact cause for this damage is unknown.
Continue to Anal Cancer Anatomy
- Clark MA, Hartley A, Geh JI. Cancer of the anal canal. Lancet Oncol. 2004 Mar;5(3):149-57. 
- Sato H, Koh PK, Bartolo DC. Management of anal canal cancer. Dis Colon Rectum. 2005 Jun;48(6):1301-15. 
- Welton ML, Sharkey FE, Kahlenberg MS. The etiology and epidemiology of anal cancer. Surg Oncol Clin N Am. 2004 Apr;13(2):263-75.