Article Text

Download PDFPDF

A case of asymptomatic incidental live anisakid worm infestation on a large rectal polyp
  1. Shimpei Matsui1,
  2. Toshio Uraoka2,
  3. Hirotoshi Hasegawa1,
  4. Yuko Kitagawa1
  1. 1Department of Surgery, Keio University, Tokyo, Japan
  2. 2Tokyo Medical Center, Tokyo, Japan
  1. Correspondence to Dr Toshio Uraoka, turaoka{at}

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.


A 65-year-old man who had been treated for prostate cancer was noted to have an incidental large rectal tumour on surveillance pelvic MRI. He subsequently underwent a colonoscopy that revealed a penduculated tumour in the rectum. When the tumour was inspected closely (figure 1), a white mobile tubular body was noted on the surface of the tumour. It was strongly suspected to be an anisakis worm. After carefully grasping and removing the worm using biopsy forceps, it was found …

View Full Text