What are sessile polyps found in colon sent to pathology?

Exclude cancer: Flat (sessile) polyps have a risk of being pre-malignant (tubular adenoma or sessile serrated adenoma) or malignant (colon carcinoma). The only way to be sure is to send the biopsy sample to pathology to be interpreted and diagnosed.

Sessile: Polps ore flat polyps as compared to pedunculated polyps which have a stalk or stem. Both have potential to be pre cancerous or cancerous and therefore all polyps should be evaluated by a pathologist and all should be removed at colonoscopy.

Sessile Polyp: Sessile or low lying, non-pedunculated polyps are still of uncertain pathology until sent for microscopic diagnosis. They may be benign ranging to carcinoma (less commonly). Beyond that, there is one sessile polyp that has specific premalignant potential the cecum/right colon called a sessile serrated adenoma, but these are fairly uncommon (associated with micro satellite instability).

Flat polyps: Sessile refers to the morphology of the polyp rather than the polyp type. Sessile polyps are more flat than peduculated polyps, which grow from a stalk. Once removed, the polyp is sent to pathology to determine the polyp type (hyperplastic, adenoma, cancer, etc).