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Chapter 31. Anorectum

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All of the following are sites of perirectal abscesses, except

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A. Ischiorectal

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B. Perianal

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C. Intermuscular

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D. Infralevator

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E. Submucous

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D. Infralevator

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Anal bleeding can be commonly caused by

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A. Diverticulitis

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B. Anal condyloma

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C. Anorectal abscess (undrained)

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D. Anal fissure

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E. Thrombosed external hemorrhoids

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D. Anal fissure

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Rectal prolapse

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A. Can be distinguished from prolapsed hemorrhoids based upon imaging

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B. Is an intussusception of the rectum

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C. Cannot involve the muscular layers of the rectum due to fixation to the pelvic sidewalls

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D. Is best evaluated by MRI

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E. Is more common in men than women

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B. Is an intussusception of the rectum

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Epidermoid tumors of the anal canal

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A. Are typically treated with a regimen of chemotherapy and radiation therapy after diagnosis

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B. Are about as common as rectal cancers

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C. Have a 25% response rate to initial therapy regimens

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D. Typically require abdominoperineal resection for complete treatment

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E. Rarely metastasize to regional lymph nodes

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A. Are typically treated with a regimen of chemotherapy and radiation therapy after diagnosis

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Management of condyloma acuminata

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A. Are rarely transmitted by sexual contact

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B. Are often treated with antiviral therapy as first line treatment

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C. Can include palliation of macroscopic lesions my operation

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D. Do not carry any risk of dysplasia

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E. Are asymptomatic

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C. Can include palliation of macroscopic lesions my operation

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