Colonic Duplication of a Dog. A Case Report.

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A 4-month-old male mongrel dog was referred with the signs of frequent defecation, tenemus and constipation. The dog had been suspected as rectal prolapse and received purse -string suture of the anus without success. Experimental laparotomy revealed the double lumen of the descending colon with a length of approximately 20 cm. The feces was retained within the blind side of the double lumen, which caused in difficulty in defecation and in partial prolapse of the rectum. Some part of the duplicated colon was excised and at the remaining portion, the septal wall of both lumen of the colon was sharply incised to make a single lumen. Although dyschezia and hematochezia were noted initially after surgery, the patient gradually recovered normal defecation.
獣医麻酔外科学会の論文