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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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Anal bleeding can be commonly caused by
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C. Anorectal abscess (undrained)
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E. Thrombosed external hemorrhoids
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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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C. Can include palliation of macroscopic lesions my operation