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Three-Dimensional Conformal Radiation Therapy (3D-CRT)

Three-dimensional conformal radiation therapy (3D-CRT) is a type of external beam radiation therapy. This means the radiation is delivered from outside the body using a large machine called a linear accelerator. 3D-CRT treatment planning and delivery is offered for a wide variety of tumors, including those of the brain, breast, esophagus, lung, pancreas, and prostate. 3D-CRT uses a CT scan and computer software to develop a three-dimensional image of the body. The radiation oncologist uses this image to determine the best angles to deliver treatment. Radiation beams are delivered from several angles to match (conform to) the shape of the tumor, maximizing treatment and minimizing radiation exposure to the surrounding healthy tissue. To assist with three-dimensional conformal therapy, Image Fusion (pictured below) is also used. This allows for the simultaneous use of several medical imaging tests (such as CT, MRI, and PET scans) in the targeting and planning of radiotherapy. The Department of Radiation Oncology has pioneered these imaging methods to best incorporate these technologies into each treatment plan.



Call: 617.638.7070
Fax: 617.638.7037

Boston Medical Center
Department of Radiation Oncology
Moakley Building
Lower Level
830 Harrison Avenue
Boston, MA 02118

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Call: 617.638.7070
Fax: 617.638.7037

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