单词melena
网络: 黑便；黑粪症；黑血便
She suffered from melena, indicative of a haemorrhage in the upper gastrointestinal tract.
她遭受了黑，表明出血在上消化道。
if the cancer can cause gastrointestinal erosion hematemesis, melena .
如果癌肿侵蚀胃肠可引起呕血、黑便。
There are also some patients with liver cirrhosis showed a number of complications, such as melena, hematemesis .
也有部分患者表现为肝硬化的一些并发症，如黑便、呕血。
OBSERVATION: A 61 year-old man presented with anemia due to martial deficiency and melena, the endoscopic examination of which was negative.
观察：一名61岁男子介绍，由于贫血症和黑武术的内视镜检查的是消极的。
Results: Small intestinal tumors with gastrointestinal bleeding had the following clinical characteristics: (1) Melena was more common;
结果：以消化道出血为主要症状的原发性小肠肿瘤的临床特点：（1）以便血为主；
Constipation diarrhea hematemesis melena hematochezia jaundice
便秘腹泻呕血黑便便血黄疸
Cause analysis of the elder melena under colonoscope
老年便血病人结肠镜下的病因分析