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1. An ulcer perforates the duodenal wall.

2. Drugs have been developed to cure some duodenal ulcers.

3. Duodenal biopsy specimens were taken in 50 patients.

4. The main, unsolved clinical problem is chronic duodenal ulcer.

5. In conclusion,(sentencedict.com) dietary polyunsaturated fatty acids enhance duodenal resistance to acid by potentiation of adaptive cytoprotection.

6. Discussion Duodenal ulcer disease has traditionally been associated with excess secretion of gastric acid.

7. After eradication of H pylori, duodenal ulcers do not usually recur and the associated chronic gastritis gradually disappears.

8. The opportunity should be used to obtain duodenal biopsy specimens.

9. He excluded patients with cystic fibrosis by performing duodenal drainage tests for the measurements of pancreatic enzyme concentrations in the duodenal juice.

10. There was no correlation between duodenal juice protein, enzyme turnover rates, and enzyme secretion.

11. There were eight smokers in the duodenal ulcer group and three in each of the other two groups.

12. A bacterium is identified as the cause for his duodenal ulcer.

13. Eighty unrelated controls, 61 patients with gastric ulcer, and 57 patients with duodenal ulcer were studied.

14. The role of the increased serum gastrin concentration induced by H pylori in the pathogenesis of duodenal ulcer disease is also unknown.

15. Only a minority of patients infected with H pylori will eventually develop a duodenal ulcer.

16. Indeed, there were fewer patients than expected taking NSAIDs, perhaps since intake had been reduced because of chronic duodenal ulcer disease.

17. Treatment failure was defined as evidence by endoscopy of a recurrent duodenal ulcer crater.

18. Thus H pylori infection combined with active ulceration may cause the increased basal acid secretion seen in duodenal ulcer disease.

19. The two patients in whom the lesion was not reached had ulcers located in the inferior and posterior wall of duodenal bulb.

20. Protocol 2 studied the phenomenon of adaptive cytoprotection in response to mild irritation of the duodenal mucosa in the three experimental groups.

21. Furthermore, many studies have shown that the naturally occurring relapse rate of duodenal ulcers is considerably reduced after eradication.

22. This may partly explain the lack of change in the appearance of the duodenal mucosa on serial biopsy in this condition.

23. Many studies have demonstrated that genetic factors contribute to susceptibility to duodenal ulcers.

24. No other model of chronic ulcer shows such morphological and behavioural similarity to the human duodenal ulcer.

25. Another patient had severe inflammation and numerous granulomata on histological examination of duodenal biopsies indicating Crohn's disease of the duodenum.

26. According to previous studies, gastric metaplasia is an almost constant finding in patients with duodenal ulceration.

27. The exaggerated acid response to gastrin can be explained by the increased parietal cell mass present in duodenal ulcer patients.

28. H pylori was not examined because its importance in duodenal ulcer disease was not widely recognised when this study was being planned.

29. In 1949 Lemon and Byrne reported a large series of patients undergoing duodenal aspiration cytology with a test sensitivity of over 70%.

30. They compared the finger and palm prints of 64 healthy adult males and 90 males with duodenal ulcers.

1. A bacterium is identified as the cause for his duodenal ulcer.