J.Jpn. Surg. Soc.. 88(5): 562-568, 1987

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Original article

SURGICAL MANAGEMENT FOR PERIANAL LESIONS IN CROHN’S DISEASE

Perianal lesions associated with Crohn’s disease are often intractable and require surgical intervention. Among 28 patients surgically treated in our department, 16 patients manifested perianal complications consisted of four periproctal abscesses, eight anal fistulas, three skin tags and one anal fissure. The incidence of perianal lesions was higher in ileocolic type than in colic and ileal type. In half of our patlents perianal lesions preceded the diagnosis of Crohn’s disease, and they often gave the important clue for the diagnosis. The perianal lesions seemed to be independent of the activity of the intestinal lesions.
The surgical treatments for the perianal lesions were performed on 13 patients and the results were satisfactory in most cases. But the results were very poor in four patients with rectal involvement. Two of them were obliged to undergo proctectomy because of the severely diseased anorectal lesions. Therefore radical surgery should be considered in patients whose perianal lesions are quiescent, and the severity of the rectal lesion was considered to be the major factor which decides the prognosis of the patients.

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