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New Device May Detect Tumour Early

According to the researchers, the imaging instrument revealed new textures of lesions during initial testing that have never been seen before - including melanoma in patients who were diagnosed with various skin lesions and were awaiting surgery for their removal. The instrument diagnosed 73 types of lesions, some of them cancerous.

Dermatologists and plastic surgeons typically diagnose skin tumours by their appearance with the naked eye and only rarely using a dermatoscope - a magnifying tool that allows tumours to be examined in detail. Cancerous mole detection is usually done by looking for one or more telltale visible symptoms: if the mole is asymmetrical; if its outline is blurred or irregular; if it has multiple colours; if it is larger than five millimetres in diameter; and if it stands up above the skin.

The new biosensor uses infrared wavelengths and LC devices to measure tumour characteristics, including contours and spread. "This is an exciting preliminary development since the initial testing shows that we can now identify microscopic tumours in the biological layers of the skin," explains Ibrahim Abdulahim, who is leading the research group. “As we continue to develop the device, we also see an opportunity to use this technology for detecting other types of cancerous growths."

MEDICA.de; Source: American Associates, Ben-Gurion University of the Negev

 
 
 

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