Anal herpes

Description

A 27-year-old man without significant past medical history presented to the emergency department with a 5-day evolution of abdominal and anal pain and haematochezia. Physical examination revealed perianal erythema and a painful digital anal examination without other findings. CT scans showed signs of proctitis (slight thickening of rectal wall and slight stranding of perirectal fat). Flexible rectosigmoidoscopy didn't reveal any pathological abnormalities. The patient was discharged with antibiotics and analgesics with the suspicion of proctitis. Three days later, the patient returned to the emergency department with worsening of the anal pain that irradiated to the buttocks and the physical examination revealed red bumps with ulceration (figure 1). Anal herpes was suspected and the patient was treated with an antiviral (brivudine) and carbamazepine for symptomatic relief. Seven days after treatment the patient had complete resolution of his symptoms and there were no cutaneous lesions.

Figure...

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