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New technology screens women for breast cancer without exposure to radiations

Dr. Kamal Kant KohliBy Dr. Kamal Kant KohliPublished On 2020-02-26T20:45:00+05:30  |  Updated On 2020-02-26T20:45:03+05:30
New technology screens women for breast cancer without exposure to radiations

Researchers at the University of Waterloo have developed a system using harmless microwaves and artificial intelligence (AI) software to detect even small, early-stage tumours within minutes. The new inexpensive technology could save lives and money by routinely screening women for breast cancer without exposure to radiation. The research, Breast Tumor Diagnosis using Machine Learning...

Researchers at the University of Waterloo have developed a system using harmless microwaves and artificial intelligence (AI) software to detect even small, early-stage tumours within minutes. The new inexpensive technology could save lives and money by routinely screening women for breast cancer without exposure to radiation. The research, Breast Tumor Diagnosis using Machine Learning with Microwave Probes, was presented at a recent conference in Yemen.

"Our top priorities were to make this detection-based modality fast and inexpensive," said Omar Ramahi, a professor of electrical and computer engineering at Waterloo. "We have incredibly encouraging results and we believe that is because of its simplicity."

A prototype device -- the culmination of 15 years of work on the use of microwaves for tumour detection, not imaging -- cost less than $5,000 to build.

It consists of a small sensor in an adjustable box about 15 centimetres square that is situated under an opening in a padded examination table.

Patients lie face-down on the table so that one breast at a time is positioned in the box. The sensor emits microwaves that bounce back and are then processed by AI software on a laptop computer.

By comparing the tissue composition of one breast with the other, the system is sensitive enough to detect anomalies less than one centimetre in diameter.

Ramahi said a negative result could quickly rule out cancer, while a positive result would trigger referral for more expensive tests using mammography or magnetic resonance imaging (MRI).

"If women were screened regularly with this, potential problems would be caught much sooner -- in the early stages of cancer," he said. "Our system can complement existing technology, reserving much more expensive options for when they're really needed.

"We need a mixture, a combination of technologies. When our device sent up a red flag, it would mean more investigation was warranted."

In addition to reducing patient wait times and enabling earlier diagnosis, Ramahi said, the device would eliminate radiation exposure, improve patient comfort and work on particularly dense breasts, a problem with mammograms.

It would also save health-care systems enormous amounts of money and, because of its low cost and ease of use, dramatically increase access to screening in the developing world.

Researchers have applied for a patent and started a company, Wave Intelligence Inc. of Waterloo, to commercialize the system and hope to begin trials on patients within six months. Three rounds of preliminary testing included the use of artificial human torsos known as phantoms.


cancer artificial intelligence microwaves breast cancer 
Source : University of Waterloo
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as an Editor-in-Chief for the Speciality Medical Dialogues section. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Before Joining Medical Dialogues, he has served at important positions in the medical industry in India including as the Hony. Secretary of the Delhi Medical Association as well as the chairman of Anti-Quackery Committee in Delhi and worked with other Medical Councils in India. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

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