It has been suggested that duodenal bulb biopsies may also be useful.

有人曾建议从十二指肠球部取活检同样有效。

Objective: To study the clinical value of the duodenal bulb ulcer by CDFI exam.

目的：探讨CDFI检查十二指肠球部溃疡的临床价值。

Conclusions: There is higher clinical value in diagnosing the duodenal bulb ulcer by CDFI exam. It...

结论：应用CDFI诊断十二指肠球部溃疡有较高的临床价值，值得进一步研究和推广应用。

Conclusions: We suggest examining 4 biopsy samples from the duodenal bulb and 4 from the descending duodenum to improve diagnostic accuracy of CD.

结论：分别从十二指肠降段及球部取4块活检可提高CD的诊断正确率。

Results:It consisted perforation of anterior gastric wall 3 cases, posterior gastric wall 2, duodenal bulb 1 and perforation of descending colon 1.

结果：胃前壁穿孔3例，胃后壁穿孔2例，十二指肠球穿孔1例，降结肠穿孔1例。