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临床资料例1,女,69岁,因反复上腹部痛47月,黑便20天就诊.腹痛呈阵发性,与进食无关,无呕血,无呕吐宿食,大便呈黑糊状,每天1～2次,量不多.体检:贫血貌,消瘦,巩膜无黄染,心肺无异常,腹软,肝脾未及,B超肝胆脾胰无异常发现.大便OB(?).胃镜检查:食管、胃、十二指肠球部大致正常,球后插入较困难,插入后十二指肠降段后壁见一新生物阻塞管腔,表面高低不平,质脆易出血.病理报告为十二指肠腺癌.经手术切除,证实为原发性十二指肠降
Clinical data Example 1, female, 69 years old, due to repeated epigastric pain for 47 months, melena 20 days for treatment. Abdominal pain was paroxysmal, had nothing to do with food, no vomiting, no vomiting, food, stool was black paste, 1 day ~ 2 times, not much. Physical examination: anemia appearance, weight loss, no sclera yellow stained, no abnormal heart and lung, abdominal soft, liver and spleen is not, B ultrasound hepatobiliary spleen pancreas was not found. stool OB (?). Gastroscopy: The esophagus, stomach, and duodenum were generally normal, and it was difficult to insert the balloon posteriorly. After the insertion, the duodenal descending segment saw a new biological obstruction lumen. The surface was uneven, brittle and easily bleeding. Pathology report was ten. Duodenal adenocarcinoma. Surgical removal confirmed primary duodenal drop