US researchers: light exposure can detect pancreatic cancer early
American researchers have found that pancreatic cancer can be detected early by using light to illuminate the organs next to the pancreas.
According to Singapore’s Lianhe Zaobao, researchers at Northwestern University, Buckman, say this may be the first method to diagnose this highly lethal cancer at a stage where pancreatic cancer can be cured.
A report published by Buckman and his colleagues in the Journal of Clinical Cancer Research said that they illuminate the duodenum next to the pancreas and then observe the slight molecular changes through the light reflected from the duodenum; Results Among 32 healthy volunteers and 19 patients with early and advanced cancer, they almost identified all cancer patients.
The researchers said that if a general microscope was used for observation, the tissue samples of all 51 participants would look the same and could not tell who had cancer.
Pancreatic cancer is the fourth-largest cancer killer in the United States, with more than 33,000 Americans dying from pancreatic cancer each year. This type of cancer usually does not have any symptoms at an early stage. The 5-year survival rate after diagnosis is only 5%, and most people die within 1 year after diagnosis. Part of the reason is that pancreatic cancer is difficult to diagnose. Buckman said in a televised interview: "MRI can't detect pancreatic cancer when the pancreatic cancer is still in a curable phase."
Excision of pancreatic tissue for testing has a 20% chance of causing serious complications, so it is usually only done when the patient has developed symptoms. Buckman said: "It’s too late to come to the treatment.†Buckman suggested that doctors can use this method first in high-risk groups, including smokers and people with a family history of cancer, so that before symptoms appear. Treatment.
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