원 39. A 65-year-old man has a 3-week history of painful defecation and blood in the stool. The pain is described as sharp, stabbing, and burning. The blood is bright red and is found on the surface of the stool and on the toilet paper. He is afebrile. Which of the following is the most likely diagnosis? A) Abscess in the anal sinus B) Anal fissure inferior to the anal valves OC) Cancerous polyp in the superior anal canal D) Diverticulosis OE) Tear in the internal anal sphincter
원 39. A 65-year-old man has a 3-week history of painful defecation and blood in the stool. The pain is described as sharp, stabbing, and burning. The blood is bright red and is found on the surface of the stool and on the toilet paper. He is afebrile. Which of the following is the most likely diagnosis? A) Abscess in the anal sinus B) Anal fissure inferior to the anal valves OC) Cancerous polyp in the superior anal canal D) Diverticulosis OE) Tear in the internal anal sphincter
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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39. A 65-year-old man has a 3-week history of painful defecation and blood in the stool. The pain is described as sharp, stabbing, and burning. The blood is bright red and is found on the surface
of the stool and on the toilet paper. He is afebrile. Which of the following is the most likely diagnosis?
A) Abscess in the anal sinus
B) Anal fissure inferior to the anal valves
OC) Cancerous polyp in the superior anal canal
D) Diverticulosis
OE) Tear in the internal anal sphincter
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