PMC5733617_01
Colonoscopy shows a 10 mm sessile polyp with smooth edges (arrow) in the transverse colon.
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fig1
Colonoscopy was significant for sigmoid diverticulosis and a smooth, sessile 10 mm polyp in the transverse colon, which was removed with hot snare (Figures 1 and 2).
The polyp was removed using snare cautery, and two clips were placed at the polypectomy site to help prevent bleeding.
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Colonoscopy was significant for sigmoid diverticulosis and a smooth, sessile 10 mm polyp in the transverse colon, which was removed with hot snare (Figures 1 and 2).
The H&E sections show proliferation of atypical lymphoid cells involving the colonic mucosa and submucosa, forming multifocal large lymphoid aggregates. H&E section on 40x shows lymphoid cells that are small in size and have scant to moderate cytoplasm. Admixed with them are scattered plasma cells (arrow).
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Pathological examination of the polyp showed colonic mucosa with atypical lymphoid aggregates, suspicious for low-grade lymphoproliferative disorder (Figure 3).