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Colonic polypectomy is the removal of colorectal polyps in order to prevent them from turning cancerous.. Method of removing a polyp with a snare. Gastrointestinal polyps can be removed endoscopically through colonoscopy or esophagogastroduodenoscopy, or surgically if the polyp is too large to be removed endoscopically.
For accurate assessment of the appropriateness of the therapy, en bloc resection is more desirable than piecemeal resection. For a reliable en bloc resection of GI neoplasms, a new method of ER called endoscopic submucosal dissection (ESD) has been developed.
Any invasive carcinoma that has penetrated the muscularis mocos has the potential for lymph node metastasis and local recurrence which will require more aggressive and extensive resection. [9] The Haggitt's criteria is used for classification of polyps containing cancer and is based on the depth of penetration. [ 9 ]
Endoscopic mucosal resection and submucosal dissection are also highly effective methods for resection or large, non-malignant colorectal polyps and superficially (stage T1a) invasive colorectal cancers. The largest study of endoscopic mucosal resection by the Australian Consortium included 1000 cases and long term surveillance. [2]
Piecemeal denotes something being done piece by piece or one stage at a time. Piecemeal may also refer to: Piecemeal (Gilbert Benson), a fictional character in the Marvel Universe; Piecemeal (Cyborg villain), another fictional character in the Marvel Universe; Piecemeal necrosis, a necrosis that occurs in fragments
A proctosigmoidectomy, Hartmann's operation or Hartmann's procedure is the surgical resection of the rectosigmoid colon with closure of the anorectal stump and formation of an end colostomy. It was used to treat colon cancer or inflammation (proctosigmoiditis, proctitis, diverticulitis, volvulus, etc.).
The symptoms collectively are referred to as low anterior resection syndrome (LARS) and adversely affect quality of life, sometimes so much so that some patients even prefer to have their stoma-reversal itself reversed, and to live with a permanent colonostomy or iliostomy.
Hemipelvectomy, also known as a pelvic resection, is a surgical procedure that involves the removal of part of the pelvic girdle. This procedure is most commonly performed to treat oncologic conditions of the pelvis. [1] [2] Hemipelvectomy can be further classified as internal and external hemipelvectomy.