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BMJ Case Rep. 2014 Jan 15;2014. pii: bcr2013201599. doi: 10.1136/bcr-2013-201599.

Enterobiasis-related inflammatory caecal polyp masquerading as a malignancy.

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  • 1Chelsea and Westminster Hospital, London, UK.

Abstract

A 55 -year-old Asian man was seen in the emergency department with bleeding per rectum. He was a teetotaller and had no previous abdominal surgery. He did, however, report a change in bowel habit towards constipation. He underwent colonoscopy which revealed a lesion, highly suspicious of malignancy, in the caecum. On review by two consultants, a decision to completely resect this lesion was made. Histological analysis of the polypoidal growth showed it to be a consequence of chronic infection with the helminth Enterobius vermicularis. Importantly, there was no evidence of dysplastic or malignant cells. The patient was subsequently discharged with a 3-day course of antihelminthic mebendazole and reassured that his per rectal bleeding was most likely due to haemorrhoids discovered at rectal examination.

PMID:
24429050
[PubMed - indexed for MEDLINE]
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