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What is hyperthermia?
Hyperthermia (also called thermal therapy or thermotherapy) is a type of cancer treatment in which body tissue is exposed to high temperatures (up to 113°F). Research has shown that high temperatures can damage and kill cancer cells, usually with minimal injury to normal tissues. By killing cancer cells and damaging proteins and structures within cells , hyperthermia may shrink tumors. Recentely laser has been used in hyperthermia to treat cancer. Laser therapy is often given through a flexible endoscope (a thin, lighted tube used to look at tissues inside the body). The endoscope is fitted with optical fibers (thin fibers that transmit light). It is inserted through an opening in the body, such as the mouth, nose, anus, or vagina. Laser light is then precisely aimed to cut or destroy a tumor. Laser-induced interstitial thermotherapy (LITT) (or interstitial laser photocoagulation) also uses lasers to treat some cancers. LITT is similar to a cancer treatment called hyperthermia, which uses heat to shrink tumors by damaging or killing cancer cells.During LITT, an optical fiber is inserted into a tumor. Laser light at the tip of the fiber raises the temperature of the tumor cells and damages or destroys them. LITT is sometimes used to shrink tumors in the liver. What is Laser? Laser stands for Light Amplification by the Stimulated Emission of Radiation(LASER). A laser is a light beam that can be precisely focused. It is used to treat tissues by heating the targeted cells until they "burst". It may also be used for cosmetic purposes, including removal of wrinkles, tattoos, or birthmarks. There are several types of lasers, including the carbon dioxide (CO2) laser, the YAG (yttrium aluminum garnet) laser, and the pulsed dye laser. Each laser has specific uses. The color of the light beam used is directly related to the type of procedure being performed and the color of the tissue being treated. Laser may be used to: Remove tumors Seal blood vessels Seal lymph vessels to reduce swelling and decrease the spread of tumor cells Seal nerve endings to reduce postoperative pain Remove warts, moles, and tattoos Reduce the appearance of skin wrinkles Remove hair Possible side effects of laser therapy: Bleeding Infection Pain Scaring Skin color changes |
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