[概述]4﹒慢性十二指肠溃疡（Chronic duodenal ulcer）

The patient，an unmarried adult female，was admitted to the hospital on February 14，2000，complaining of a 6‐year intermittent abdominalgia which has been worsening in the last three days .6年前，她开始患上腹痛，以后每年发作1次，持续数天至数周不等，常与饮食不慎有关。3天前上腹痛发作，伴频繁呕吐食物，无血。体检：体温37℃， ......