Intensity Modulated Radiation Therapy (IMRT) is an advanced type of radiation therapy that uses technology to manipulate photon beams of radiation to conform to the exact shape of a tumor. It is used to treat both cancer and noncancerous tumors. One of the key benefits of IMRT is that it allows for targeted radiation delivery to cancerous growths minimizing exposure to healthy tissues. This allows for a reduction in potential side effects.
What makes Intensity Modulated Radiotherapy different to other radiation treatments is that is designed to isolate the tumor and deliver targeted radiation treatment from multiple angles. This process removes potential human error by using specific radiation levels determined by computer-analyzed imaging scans taken of the patient’s body.
IMRT reduces the minimum ratio of radiation doses to tumors versus healthy tissues. This means that higher and more effective radiation doses can safely be administered to both cancer and non cancerous tumors with fewer side effects. IMRT can also reduce treatment toxicity, even when doses are not increased. Due to IMRT’s complexity and the fact that it delivers several doses of radiation, it does require slightly longer daily treatment times than conventional radiotherapy.
Because it can attack tumors from various angles, leading to a greater degree of accuracy, IMRT works as a treatment option for patients who may have reached the maximum dose of conventional radiation therapy and have a recurrent tumor in the treated area.