Hook worm caused chronic anemia found during the procedure of acute gastrointestinal bleeding: a case report.
BACKGROUND
Upper gastrointestinal bleeding with complicated factors is always difficult to find the primary origin.


METHODS
Here we present a case of a 74-year-old male farmer suffered from acute upper gastrointestinal bleeding caused by gastric ulcer and Mallory-Weiss syndrome and chronic anemia which was at last found caused by hook worm infection.


CONCLUSIONS
It tells us that considering multi-possibility when can not explain the symptom with monophyletism is very important for clinicians.
Zhao
Yuan
Y
Gastroenterology laboratory, Clinic Medical Research Institution, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, PR China. jianmin_si@zju.edu.cn.
Wang
Liangjing
L
Si
Jianmin
J