Anal fissures occur in the specialized tissue that lines the anus and anal canal, called anoderm. At a line just inside the anus (referred to as the anal verge or intersphincteric groove) the skin (dermis) of the inner buttocks changes to anoderm.issures are a common condition of the anus and anal canal and are responsible for 6% to 15% of the visits to a colon and rectal (colorectal) surgeon. They affect men and women equally and both the young and the old.
Back pain is the leading cause of disability in Americans under 45 years old. Each year 13 million people go to the doctor for chronic back pain. The condition leaves about 2.4 million Americans chronically disabled and another 2.4 million temporarily disabled.ntroduction. Low back pain is one of the most common problems people have. About 60 - 80% of the adult U.S. population has low back pain, and it is the second most common reason people go to the doctor.
Acute back pain develops suddenly and lasts up to several weeks. Acute pain is the most common type of back pain. Subacute back pain is pain that lasts up to three months. Chronic back pain can begin abruptly or gradually, linger, subside and then come back, but it lasts longer than 3 months. With proper self-care, most acute cases resolve within 4 - 6 weeks. Two-thirds of those patients, however, will experience another episode of back pain within 12 months.