Hemorrhoids, external
External hemorrhoids occur distal to the dentate line. The treatment of hemorrhoids in the past has included suppositories, cautery, and excision. Walter Whitehead introduced a radical procedure in 1882 in…
Read MoreAnal Fissure
Anal fissures occur when there is a tear in the anal canal that usually extends from the dentate line to the anal verge. The most effective treatment for anal fissures,…
Read MoreFistula-in-Ano
Fistulas occur when there is an abnormal connection between two epithelialized surfaces that do not usually connect. Fistula-in-ano refers to a fistula between the skin and the anus. In 30…
Read MoreAnorectal Abscess
Anorectal (perirectal) abscesses are usually the result of an infection of the anal glands located at the dentate line. They commonly expand caudally to the anoderm (perianal abscess) or across…
Read MorePilonidal Cyst
Pilonidal cyst derives its name from Latin pilus (hair) and nidus (nest). O.H. Mayo was the first to describe the disease in 1883. Etiology Pathogenesis Physical Exam Imaging Treatment Relevant…
Read MorePilonidal Cyst Excision
Pilonidal cyst derives its name from Latin pilus (hair) and nidus (nest). O.H. Mayo was the first to describe the disease in 1883. Indications Preoperative Considerations Relevant Information Surgical Technique…
Read MoreHemorrhoidectomy
Hemorrhoidectomy is the surgical excision of hemorrhoids. Today, this simple excision of the hemorrhoidal mass is most frequently employed to treat hemorrhoids. The history of surgical treatment of hemorrhoids is…
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