Which of the following is located in Laimer's triangle:: (A) Esophageal diveiculum, (B) Colonic diveiculum, (C) Meckel's diveiculum, (D) Peri -ampullary diveiculum
Answer is A. Cervical esophageal diveiculum (Zenker Diveiculum) is located in Killian-Laimer triangle which is located inferior to the cricopharyngeus in the posterior midline above the confluence of the longitudinal layer of esophageal muscle. Laimer's triangle is covered only by the circular layer of esophageal muscle.