Archive for July 22nd, 2010

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Perianal and Ischiorectal Abscesses

Localized collections of pus in cavities resulting from infections, followed by tissue disintegration. Perianal abscesses are located close to the anus and are relatively superficial; ischiorectal abscesses are deep and located at a higher level. perianal abscesses, the more common type, usually develop from inflammation of glands located between the sphincters at the dentate line [...]

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Hemorrhoids

Abnormally large or symptomatic conglomerates of blood vessels, supporting tissues, and overlying mucous membrane or anorectal skin. Internal hemorrhoids occur above the anorectal (dentate) line. Prolapsed internal hemorrhoids extend down into the anal canal or through the anus. External hemorrhoids occur below the anorectal line and form so-called piles. A thrombosed external hemorrhoid is a [...]

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