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Lasers are used to treat cancer in several different ways. Their high-intensity light can be used to shrink or destroy tumors or precancerous growths. Lasers are most commonly used to treat superficial cancers (cancers on the surface of the body or the lining of internal organs) such as basal-cell skin cancer and the very early stages of some cancers, such as cervical, penile, vaginal, vulvar ...
Laser radiation being delivered via a fiber for photodynamic therapy to treat cancer. A 40-watt CO 2 laser with applications in ENT, gynecology, dermatology, oral surgery, and podiatry. Laser medicine is the use of lasers in medical diagnosis, treatments, or therapies, such as laser photodynamic therapy, [1] photorejuvenation, and laser surgery.
Hungarian physician Endre Mester (1903–1984) was a pioneer of laser medicine, especially the use of low level laser therapy (LLLT). In 1967, only a few years after the first working laser was invented, he started his experiments with the effects of lasers on skin cancer.
LLLT has been studied as a treatment for hair loss; a review in 2012 found little evidence to support the use of lasers to treat hair loss. [67] A 2014 review found tentative evidence for benefit for lasers, [68] while another 2014 review concluded that the results were mixed, had a high risk of bias, and that its effectiveness was unclear. [69]
It also prevents skin cancer and metastasis by removing precancerous and cancerous skin lesions. [16] Application of red and blue LED light for photodynamic treatments are generally safe and can be used to treat different cancers. However, they may differ in the efficiency and response. [17]
A major use of systemic radioisotope therapy is in the treatment of bone metastasis from cancer. The radioisotopes travel selectively to areas of damaged bone, and spare normal undamaged bone. Isotopes commonly used in the treatment of bone metastasis are radium-223, [113] strontium-89 and samarium (153 Sm) lexidronam. [114]
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