Flat polyp at the proximal lip of the ileocecal valve. (a) The ileum is intubated and a pediatric biopsy forceps is introduced to depress the distal lip of the valve, in order to expose the polyp at the proximal lip. (b) Removal of the polyp is performed with the biopsy forceps in place. (c) Complete removal of the flat polyp is achieved with the view of the prolapsed lipomatous proximal lip. This technique requires the use of a therapeutic colonoscope.
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This image is taken from Sidney J. Winawer & Michael O'Brien. Chapter 5, In Colonscopy, Advanced Digestive Endoscopy e-books. GastroHep.com.
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