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USMLE Step 2 QBank

1.A 31-year-old homosexual man presents complaining of pain with defecation. He denies any symptoms of diarrhea, abdominal pain, or fevers. Six months earlier, he developed traveler’s diarrhea while vacationing in Mexico. On physical examination, he is afebrile and has an unremarkable abdominal examination. On examination of the perianal area, there is a group of five clustered ulcers adjacent to the anal orifice and extending into the anal canal. A sigmoidoscopy reveals normal rectosigmoid mucosa. Which of the following is the most likely diagnosis?
A)Cytomegalovirus infection
B)Herpes infection
C)Neisseria gonorrhea
D)Shigella dysenteriae
E)Ulcerative colitis Normal Labs

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