British Surgeon Uses Laser Therapy To Treat Breast Cancer
The cancer surgeon that pioneered "keyhole mastectomy" in Britain, is now the pioneer of another new breast cancer treatment: a form of laser or light therapy, known as photodynamic therapy (PDT).
Mohammed Keshtar presented the PDT technique to the Royal Society Summer Science Exhibition in Britain, now taking place in London. He adapted this technique from a light therapy that is used to treat some skin and oral cancers.
The technique involves injecting light-treated cancer drugs into the breast which attach themselves to the cancer-affected tissues. When a low-powered red laser is beamed at the area, it activates the drug to destroy the cells by starving them of oxygen. Healthy cells are left untouched.
Dr. Keshtgar reported that, "The key appeal of photodynamic therapy is that it attacks and destroys cancer cells while retaining the viability of the surrounding normal cells.
"Breast cancer can be particularly traumatic, with more invasive treatments leaving physical and emotional scars. Our treatment will keep the structure of the connective tissue intact, meaning the breast does not become deformed or lose shape."
Trials will be conducted at London's Royal Free Hospital, where Dr. Keshtgar has been working with a technical and scientific team that includes Professor Stephen Bown of the National Medical Laser Centre, University College London and Professor Tayyeba Hasan of Harvard Medical School, Boston.
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