80歳の超高齢者にみられた孤立性大腸若年性ポリープの1例

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  • A Case of a Solitary Juvenile Polyp of the Colon in a Patient Aged Eighty.

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An 80-year-old man was seen at the hospital because positive fecal occult blood was pointed out elsewhere. Colonoscopy and a contrast enema revealed, a pedunculated polyp about 20mm in size in the sigmoid colon. Biopsy indicated that the lesion belonged to Group I. Polypectomy was performed and juvenile polyp was diagnosed. The so-called solitary juvenile polyp is found in all the generations, and bimodal age distribution of the prevalence has been reported, but occurrence in old persons aged above 70 years is relatively rare. When solitary pedunculated (sub) polyp of 10-20mm in size is found from the sigmoid colon to rectum, juvenile polyp seems to be necessary to keep in mind as a differential diagnosis in addition to adenoma and cancer, even for elderly patients. This urged us to report.

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