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Lower anterior resection

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Lower anterior resection
Intervention

A lower anterior resection, formally known as anterior resection of the rectum and anterior excision of the rectum or simply anterior resection (less precise), is a common surgery for rectal cancer and occasionally is performed to remove a diseased or ruptured portion of the intestine in cases of diverticulitis. It is commonly abbreviated as LAR.

LARs are for cancer in the proximal (upper) two-thirds of the rectum which lends itself well to resection while leaving the rectal sphincter intact.1

Relation to abdominoperineal resection

LARs, generally, give a better quality of life than abdominoperineal resections (APRs).23 Thus, LARs are generally the preferred treatment for rectal cancer insofar as this is surgically feasible.

References

  1. ^ "Detailed Guide: Colon and Rectum Cancer". American Cancer Society. Retrieved February 5, 2008. 
  2. ^ McLeod RS (2001). "Comparison of quality of life in patients undergoing abdominoperineal extirpation or anterior resection for rectal cancer". Ann. Surg. 233 (2): 157–8. doi:10.1097/00000658-200102000-00002. PMC 1421195. PMID 11176119. 
  3. ^ Grumann MM, Noack EM, Hoffmann IA, Schlag PM (2001). "Comparison of quality of life in patients undergoing abdominoperineal extirpation or anterior resection for rectal cancer". Ann. Surg. 233 (2): 149–56. doi:10.1097/00000658-200102000-00001. PMC 1421194. PMID 11176118. 

External links

neck
esophagus - stomach
abdomen (non-GI)
liver - pancreas
gallbladder - biliary tree
small intestine
Resection (due to bowel infarction and/or small bowel obstruction - Intussusception, Volvulus, Crohn's disease, Meckel's diverticulum, Meconium ileus (due to Cystic fibrosis), Cancer of the small bowel), diversion - ileostomy, loop ileostomy (small bowel obstruction, perforation/sepsis)
colon
Appendectomy (Appendicitis), Resection (Lower anterior resection, Abdominoperineal resection, Hemicolectomy, Total colectomy, Local excision) due to obstruction and/or perforation/threatened perforation and/or malignancy (Toxic megacolon (due to IBD), Colon cancer, Rectal cancer, Hirschsprung's disease, Trauma, Intussusception, Volvulus, Inguinal hernia, Adhesions (due to previous surgery)), diversion - colostomy, Hartmann's procedure (large bowel obstruction, GI viscus perforation/sepsis, diverticulitis)
Digestive tract
Upper GI tract
SGs/Esophagus
Stomach
Medical imaging
Lower GI tract
Small bowel
Large bowel
Rectum
Anal canal
Medical imaging
Stool tests
Accessory
Liver
Gallbladder, bile duct
Pancreas
Abdominopelvic
Peritoneum
Hernia
Other
CPRs


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