Commonest site of peptic ulcer is :: (A) 1st pa of Duodenum, (B) IInd pa of duodenum, (C) Distal 1/3 of stomach, (D) Pylorus of the stomach
Answer is A. Answer is A (1st pa of Duodenum) First pa of duodenum is the most common site for peptic ulceration. Sites in order of decreasing frequency : Duodenum, 1st poionQ Stomach, usually antrum Q At the gastro-esophageal junction, in the setting of gastroesophageal reflux Q Within the margins of a gastrojejunostomy Q In the duodenum, stomoch or jejunum of patients with Zollinger- Ellison Syndrome Q Within or adjacent to a Meckels diveiculum that contains ectopic gastric mucosa Q Peptic ulcers are usually solitary lesions less than 4 cm in diameter