A diagnosis of the type of polyp is done by biopsy, and treatment usually involves using a wire loop to cut out the polyp followed by cauterisation to prevent bleeding, a procedure called polypectomy – which literally means polyp removal.

息肉的组织学分类需通过活检确诊，治疗通常包括用一个铁线圈切除息肉，随后灼烧以防失血，这个过程称为肠息肉切除术polypectomy，字面意思即“切除息肉”。