Health
Chinese scientists develop AI-based cancer diagnostic tool
Chinese scientists are using artificial intelligence (AI) technology to develop breakthrough models to speed and Lymph node detection Cancer treatment.
(Photo: Photo of Unsplash by the National Cancer Institute)
Human colon cancer cells
The researchers developed an AI-assisted screening model using MRI image data from 293 patients with rectal cancer. The subject of the study was seeking treatment at Nakayama University No. 6 Hospital from 2013 to 2016.
This work translated the detection experience into an algorithm. The AI was designed to detect lymph nodes in just 1.37 seconds in each sample. This speed is 100 times faster than normal human detection.
In addition, the authors of this study tested AI models of cancer patients at four medical facilities in Beijing, Guangzhou, Suzhou, and Guizhou. We then compared the results with four Chinese radiologists specializing in digestive disorders.
At the conclusion of their results, they reported that the AI model could accurately identify 3 millimeter lymph nodes with 80% detection accuracy.
All research results were published in the journal EBioMedicine Under the lancet. In addition, researchers from the University of Wisconsin School of Medicine and Public Health also participated in the study.
Also read: Understanding AI: Artificial intelligence and facilitation of its mechanism
What happens if the cancer has spread to the lymph nodes?
Lymph node It is the first line of defense in the human immune system. Protects people from illness and virus infection. The lymph nodes of the human body are hundreds of small, round glands that gather around the neck, armpits, abdomen, and groin.
Cancer that begins in another part of the body and spreads to lymph nodes and other organs Transition.. When this happens, it is important for the clinician to judge the growth of the cancer.
Health line If cancer cells are detected only in lymph nodes near the original tumor, it may mean that the cancer is still in its early stages and has not spread far beyond its area of origin. I am.
On the other hand, if it is found that the cancer cells are migrating to lymph nodes far away from the original tumor, it may indicate that the cancer has a high rate of metastasis. Moreover, it suggests that the disease may be in a later stage.
Fast and accurate alternative
Current MRI screening methods to detect cancer are time consuming. In addition, not all lymph nodes within the scan area can be identified, which reduces detection accuracy.
According to Gao Xin, a senior researcher at the Suzhou Institute of Biomedical Engineering and Technology, a single lymph node collects less than a thousandth of an MRI sample. Moreover, it is easily confused with blood vessels and other tissues.
He states that even an experienced radiologist needs to spend 3-10 minutes to analyze a single sample of lymph nodes. In addition, we added a method that required about 20 samples in each case.
Gao states that detection accuracy is often less than 70% for small lymph nodes less than 5 mm in diameter.
The team believes that AI-assisted screening models can save doctors a great deal of manual work. More importantly, it can also improve clinical efficiency and benefit more patients, Gao said.
Finally, he added, the AI model can also detect metastatic cancers in other human organs and tissues.
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