Esophagus Stomach Duodenum Capsule Endoscopy Inflammatory Bowel Disease Colon & Ileum Miscellaneous

Hyperplastic Polyp

Left: Small polypoid nodule indistinguishable from a small sessile adenoma.

Right: 74 year-old woman with gastrointestinal bleeding. Colonoscopy demonstrated this 1cm polyp on a stalk, amidst several diverticula. The polyp grossly appeared to be a pedunculated adenoma on a broad stalk, or even a lipoma, but histologically proved to be hyperplastic (and therefore not a "true" polyp).

Left: 52 year-old woman with occult gastrointestinal bleeding. Colonoscopic findings included this 1cm nearly flat polyp on a very short stalk. The polyp histologically proved to be hyperplastic, with increased numbers of muciphages.

Right: Hyperplastic polyp in a 51 year-old man undergoing colonoscopy for routine screening.

69 year-old man with occult gastrointestinal bleeding. Colonoscopy revealed erythematous polypoid lesions which proved to be inflamed hyperplastic polyps.

63 year-old man with a family history of colon polyps. This sessile lesion with a fine white lace-like surface pattern proved to be a hyperplastic polyp.

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