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InteliHealth: |
 | | Anal fistula — An anal fistula is an abnormal, narrow, tunnel-like passageway that connects the remains of an old anal abscess to the surface of the skin. |
 | | Anal stricture — An anal stricture is a tight band of scar tissue that constricts the anal opening, interfering with the ability to pass stool comfortably. |
 | | Anal strictures can be caused by radiation treatment for cancers located near the anal area, some sexually transmitted diseases, direct trauma to the anus or, rarely, surgery to remove hemorrhoids. |
| www.intelihealth.com /IH/ihtIH/WSIHW000/9339/9396.html (1643 words) |
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