Researchers at Bristol University (Micrima) have developed a new method of screening for breast cancer, which is non-invasive, cheaper and less painful than a mammogram. The device is called MARIA (Multistatic Array processing for Radiowave Image Acquisition) and is based on landmine technology. It is capable of detecting a tumour in eight seconds.
Roy Johnson, Executive Chairman of Micrima, is currently raising new finance to move the project forward and hopes that it will be available commercially within five years. Unlike traditional x-ray machines, which typically cost £400,000K, MARIA is expected to cost less than 10K to develop. This is good news for the NHS if it elects to use the device in the future. 'We are just about to commence our 4th clinical trial in the UK and have not, as yet, done anything in the US,' he says.
Clinical trials
Pilot studies at Frenchay Hospital Breast Care Centre in Bristol have shown a success rate of 80% in detecting breast cancer tumours in 200 women who have been diagnosed. The system was used for secondary testing after a tumour had been identified. Dr Mike Shere, a Breast Clinician at Frenchay, said he was excited about MARIA's potential, as it does not appear to have the same disadvantages as existing screening technologies. It gives quality results and is cheap, fast, safe and comfortable. Results from the third clinical trial in November 2011 showed a detection rate similar to that of traditional screening methods.
How it works
The woman lies face down with her breasts placed in two ceramic cups, which are part of the scanner device. Radiowaves are used to 'scan' the breast tissue to isolate any dense areas of tissue or 'hotspots,' which are tumours. The data is then transferred to a computer within eight seconds and the results displayed in 3D rather than 2D as per normal mammogram. This gives a sharper definition for analysis. The device is fast and pain-free as breasts are not squashed in place, which many women find uncomfortable with traditional mammograms.
Breast cancer screening programme
In the UK breast screening is currently offered to women every three years between 50-70. It is not routinely offered to younger women because it is difficult to detect tumours, as their breast tissue is denser. Potentially then, MARIA could be offered safely to women of all ages, as a routine health check to save more lives. It is an exciting development and the NHS has adopted a 'wait and see' attitude before making a decision on whether to use the product, to review further clinical trials and effectiveness.
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