Three-dimensional conformal radiation therapy takes advantage of digital diagnostic imaging capability, powerful computers and specialized software tools to conform the radiation beam to the shape of the tumor.
To facilitate better treatment planning, CT or MRI images are viewed using a planning computer, which shows the anatomy of the tumor and surrounding normal structures in three dimensions. Using this model, multiple radiation beams are aimed at the tumor from different directions to deliver a prescribed dose across the tumor. This enables the dose to be distibuted around the surrounding normal tissue, minimizing the dose to any one area.
In selected cases, 3D treatment planning may be instrumental in curing or locally controlling disease while minimizing radiation to the normal surrounding tissues and organs.
Anatomical information about the patient is obtained from a CAT scan and is entered into a specialized computer to initiate the 3D treatment planning process. The treatment planning team consisting of physician and dosimetrist, engages sophisticated treatment planning programs to define the technique for delivering high radiation doses to the tumor while minimizing the dose to the normal surrounding tissues. The combination of clinical expertise and the sophisticated computerized 3D conformal system make possible the control and cure of cancer as never before. At the Department of Radiation Oncology, we employ one of the most advanced state-of-the-art 3D treatment planning systems available.
