Pancreatic cancer in recent years, the upward trend in domestic and foreign, accounting for 8% -10 digestive tract tumors% in cancer deaths in fourth place in Shanghai in 1982, the incidence rate was 6.92/10 Statistics million people, ranking eighth.
(A) the etiology of pancreatic cancer :
Similar to other tumors, pancreatic cancer etiology is not fully clear, but smokers are non-smokers 3.1 times that of other relevant factors may include: diabetes, chronic pancreatitis, alcohol, etc, but its not very clear causal relationship .
(B) symptoms of pancreatic cancer :
1. Gastrointestinal symptoms: a major loss of appetite and indigestion. Such symptoms are not specific to pancreatic cancer, but a middle-aged patients, without any other reason, the symptoms of the increase, with significantly reduced body weight, it should be possible exception of pancreatic cancer.
2. Weight loss, weight loss: one of the main symptoms of pancreatic cancer, especially in fast weight loss (such as 1 month 10kg), could find no other cause, except for diabetes, hyperthyroidism and other endocrine diseases, should be check the pancreas .
3. Bloating, abdominal pain: when the pancreatic duct caused by obstruction or compression of common bile duct or pancreatic lymph node metastases after abdominal, can cause abdominal pain, post-lesion may have lower back pain, increased supine, bend over, the former dump can be alleviated.
4. The symptoms of advanced pancreatic cancer: pancreatic carcinoma may compress the common bile duct caused by yellow disease, diffuse tumor can cause endocrine insufficiency (diabetes mellitus) and exocrine pancreatic insufficiency (pancreatic diarrhea) and other diseases.