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Photodynamic Therapy as a Lung Cancer Treatment Option
One of the newest options for treating lung cancer is photodynamic therapy. PDT is most often recommended for fatal lung cancer that is primarily sited in the trachea or the bronchial tube, or for cancers that have metastasized from other sites to the bronchi or trachea.
PDT may be either curative (meant to remove the cancer entirely) or palliative (meant to help symptoms of cancer when it cannot be completely removed). It is especially right to relieving symptoms of lung cancer that include haemorrhage and difficulty breathing because of tumors that block the trachea or bronchial tube. Neoplasm obstructing the airways can cause pneumonia, coughing, bleeding and obscurity living. The function of the photodynamic therapy depends on the stage and size of the neoplasm or tumors.
PDT consists of tercet parts. The foremost is an intravenous injection of a drug that makes cells more sensitive to light. This drug - Photofrin - is retained in cancerous cells, but not in healthy cells. Xk to fifty hours later, a laser light is inserted through a flexible tube into the bronchial passages. It exposes the cancerous cells to a low intensity burgundy laser light which destroys the cancer cells. About two days later, the bronchoscopy is repeated, this time to remove the dead cancer cells and accumulated mucus from the trachea or bronchi.
In order to be a good candidate for photodynamic therapy, the cancer must be to be found in a place anywhere the bronchoscope can reach, and it must be large enough to be visualized by the bronchoscope. If the cancer is growing outside the trachea or the bronchial air passages, subsequently photodynamic therapy will not be possible.
The side personal goods of PDT are minimal. The most lasting effect is radiosensitivity. The injection of Photofrin can result in sensitivity to light that lasts for iv to eight weeks after treatment. This can cause severe tan if a person who has taken it is exposed to normal sunlight. Because of this, it's recommended that people who undergo PDT capture precautions to keep away from experience to sunlight for four to eight weeks after the treatment.
The advantages of photodynamic therapy greater than other types of surgery or treatment for lung melanoma include avoiding the risks associated with main surgery, the treatment of tumors that were deadly because of their location, and approximately immediate effects when used for palliative purposes
Evaluation for photodynamic therapy includes an initial check-up history, followed by torso x-rays and CT scans to determine the location of tumors. The practitioner may also perform a diagnostic bronchoscopy to be sure that the cancer is reachable with the bronchoscope.
Treatment for lung cancer with photodynamic therapy may be combined with radiation therapy and chemotherapy, depending on the type and stage of the lung cancer. Most doctors use a multi-treatment approach to give their patients the best possible chances for survival and quality of life.
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