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Experience with a Case of Juvenile Polyp of the Sigmoid M. Shoji 1 , G. Nakagawara 1 , H. Sodani 1 , I. Namba 2 , F. Matsubara 3 1Department of Surgery, Kanazawa University, Faculty of Medicine and Hospital 2Department of Pediatrics, Kanazawa University, Faculty of Medicine and Hospital 3Department of Central Laboratory of Clinical Pathology, Kanazawa University, Faculty of Medicine and Hospital pp.355-359
Published Date 1975/3/25
DOI https://doi.org/10.11477/mf.1403112239
  • Abstract
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 The recent immense progress in the diagnostic techniques of roentgenography and endoscopy has made it practicable to detect minute lesions even in the rectum or colon as well as in the stomach and duodenum. Cases of intestinal polyps found thereby are increasing. A case of juvenile polyp of the sigmoid has recently been experienced at this hospital, in a girl baby 1 year and 9 months of age who was first examined because of blood in the feces. Peranal digital palpation revealed a mass in the lower bowel which was later found to be an ovoid, dark-red polyp on rectoscopic examination. The mass was resected by peranal operation and was histologically confirmed as juvenile polyp.

 Juvenile polyp of the colon and rectum has been described to occur with an incidence from 0.1 to 5.1% and to be characterized grossly by a single, round, smooth-surfaced, elastically soft, pedunculated benign growth and microscopically by the mucous glands showing numerous various-sized cystic formations covered with muciparous epithelium and the stroma displaying connective tissue proliferation and being liberally infiltrated with acute and chronic inflammatory cells.

 Among the various disorders of the infant where blood in the stool is observed, the rectal bleeding seen in juvenile intestinal polyposis is fresh, intermittent and relatively little in amount, thus making it rarely necessary to perform blood transfusion. Although diagnosis may be established in most instances by peranal digital palpation and rectoscopy for juvenile polyps frequently occur in the rectum or sigmoid, it is advisable to conduct double contrast barium enema and sigmoidoscopy in cases of juvenile polyp if suspected from the history of present illness.

 While frequently polypectomy can be accomplished by operation per anum, enterotomy or colectomy may be the treatment of choice in some cases. Juvenile polyps, unlike adenomatous polyps in adults, are generally believed only extremely rarely to have malignant potential. However in consideration of reported cases of recurrence several years after surgical removal, careful follow-up observation will be kept upon our recently treated patient in whom no sign of recurrence has yet been noted.


Copyright © 1975, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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