3D Conformal Radiation Therapy

What is 3D-CRT?

3D conformal radiation therapy (3D-CRT) uses imaging technologies to create 3D images of tumors and nearby structures and directs radiation beams to conform to the shape of the tumor. Compared to conventional radiation therapy, 3D-CRT delivers higher and more precise doses of radiation while sparing surrounding healthy tissue.

How is 3D-CRT given?

Prior to undergoing treatment, you will have a planning session in which a radiation therapist will use imaging technology to create a 3D model of your tumor. Your radiation oncologist will then use specialized computer software to tailor and deliver a beam of radiation that conforms precisely to the shape and size of your tumor. A device will rotate around the target area, delivering radiation from different angles.

Who should consider 3D-CRT?

3D-CRT is an effective treatment for patients with irregularly shaped tumors or tumors that are located near healthy tissue. Because the radiation beams are so precise, 3D-CRT can treat tumors that might have been considered too close to vital structures for conventional radiation therapy. It is commonly used to treat cancers of the brain, head and neck, liver, lung and prostate, among others.