Clinical Finding and Pathological Finding in Intersphincteric Fistula

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  • ＩＩ型痔瘻の臨床的検討と病理学的検討

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Abstract

[Study 1] We investigated the characteristics of 2,242 intersphincteric fistulas concerning sex, age, property, number, position of primary opening, course from primary opening to secondary opening and operation.<br> [Result 1] Among patients with intersphincteric fistula, males outnumbered females and most patients were between 10 and 60 years of age. Internal openings were usually located in the 2, 6, and 12 o'clock positions. In multiple fistula cases, 12 and 2 o'clock internal openings combined with the 6 o'clock internal opening. Laying-open fistulectomy was performed in posterior quadrant, coring out fistulectomy was performed in the anterior and lateral quadrant.<br> [Examination 2] We investigated microscopically the distinction between normal anal gland and its resected intersphincteric fistulas.<br> [Result 2] Anal glands in intersphincteric fistulas were detected in 69.5% (119/171 cases). Many characters such as a form stellar type of expanded gland, hyperplasia of the epithelium and squamous metaplasia were recognized.<br>

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