Tuesday July 17, 2018

New AI system can diagnose prostate cancer just good as pathologists

"The system was programmed to learn and gradually improve how it interpreted the samples. Our result show that the diagnosis the AI reported was at a level comparable to that of a pathologist"

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Chronic diseases can cause cancer as well.
Chronic diseases can cause cancer as well.
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  • This new AI can identify cancer just as accurately as a pathology lab
  • This app can overcome the shortage of pathologists
  • The app is very useful and revolutionary

Researchers have developed a new learning artificial intelligence (AI) system which can diagnose and identify cancerous prostate samples as accurately as any pathologist.

Chronic diseases are not yet included in cancer prevention schemes.
New mobile app can detect cancer.

According to the researchers, this holds out the possibility of streamlining and eliminating variation in the process of cancer diagnosis. It may also help overcome any local shortage of trained pathologists.

“This is not going to replace a human pathologist. We still need an experienced pathologist to take responsibility for the final diagnosis,” said lead author Hongqian Guo from the Nanjing University in China.

Also Read: Girls may inherit ovarian cancer gene from fathers

“What it will do is help pathologists make better, faster diagnosis, as well as eliminating the day-to-day variation in judgement which can creep into human evaluations,” Guo added.

For the study, presented at the 33rd European Association of Urology Congress in Copenhagen, researchers took 918 prostate whole mount pathology section samples from 283 patients, and ran these through the analysis system, with the software gradually learning and improving diagnosis.

These pathology images were subdivided into 40,000 smaller samples; 30,000 of these samples were used to ‘train’ the software, the remaining 10,000 were used to test accuracy.

The results showed an accurate diagnosis in 99.38 percent of cases (using a human pathologist as a ‘gold standard’), which is effectively as accurate as the human pathologist.

The app is just as effective as a pathologist. Pixabay

They were also able to identify different Gleason Grades in the pathology sections using AI; ten whole mount prostate pathology sections have been tested so far, with similar Gleason Grade in the AI and human pathologist’s diagnosis. The group has not started testing the system with human patients.

“The system was programmed to learn and gradually improve how it interpreted the samples. Our result show that the diagnosis the AI reported was at a level comparable to that of a pathologist. “Furthermore, it could accurately classify the malignant levels of prostate cancer,” Guo added. IANS

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Meditation Improves Mood, Sleep in Teenagers with Cancer

The mindfulness-based interventions for teenagers with cancer appear as a promising option to lighten psychological inconveniences of living with cancer

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meditation
The process focuses on the present moment and the connection between the mind and body. Pixabay

Daily meditation can help improve mood and sleep in teenagers suffering or recuperating from cancer, a promising research shows.

Mindfulness-based meditation could lessen some symptoms associated with cancer in teenagers, according to the results of a clinical trial intervention led by researchers at University of Montreal and its affiliated CHU Sainte-Justine children’s hospital.

The process focuses on the present moment and the connection between the mind and body.

Adolescents living with cancer face not only the physical symptoms of their condition but also the anxiety and uncertainty related to the progression of the disease and the anticipation of physical and emotional pain related to illness and treatment.

meditation
Daily meditation can help improve mood and sleep in teenagers suffering or recuperating from cancer. Pixabay

The researchers asked 13 adolescents with cancer to complete questionnaires covering mood (positive and negative emotions, anxiety and depression), sleep and quality of life.
The group was divided in two. The first group of eight adolescents were offered eight mindfulness-based meditation sessions and the remaining five adolescents in the control group were put on a wait-list.

After the last meditation session, patients from both groups filled out the same questionnaires a second time.

Also Read: Daily Meditation may keep you attentive in old age

“We found that teenagers that participated in the mindfulness group had lower scores in depression after our eight sessions. Girls from the mindfulness group reported sleeping better. We also noticed that they developed mindfulness skills to a greater extent than boys during the sessions,” explained Catherine Malboeuf-Hurtubise from University of Montreal.

The mindfulness-based interventions for teenagers with cancer appear as a promising option to lighten psychological inconveniences of living with cancer, she added. (IANS)