Long-term Follow-up the Anorectal Lesions of Crohn's Disease Akira Sugita 1 , Kazutaka Koganei 1 , Yasunobu Yamazaki 1 1The Second Department of Surgery, Yokohama City University School of Medicine Hospital Keyword: Crohn病 , 直腸肛門病変 , 痔瘻 , 直腸膣瘻 , 長期経過 pp.1249-1254
Published Date 1999/9/25
DOI https://doi.org/10.11477/mf.1403102818
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 Anorectal Crohn's disease is classified into three categories (primary lesion, secondary lesion and incidental lesion). In Japan, anal fistula is the most common anal lesion and treated surgically in the long follow-up period.

 Anal fistula with Crohn's disease as incidental lesion healed well. However, anal lesion as primary lesion or secondary lesion of Crohn's disease ocasionally had recurrence. Unhealed anal fistulae are frequently accompanied with primary lesions in the anus or multiple fistula openings. It is suggested that nonradical, conservative surgical treatment for anal fistula such us seton treatment in Crohn's disease is the best course to follow.

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