Advances in Radiotherapy Planning

Cynthia Menard, Deborah Citrin, and Kevin Camphausen

Radiation Oncology Branch, CCR, NCI, NIH, DHHS, Bethesda, Maryland, U.S.A.

James Deye and Norman C. Coleman

Radiation Oncology Sciences Program, NCI, NIH, DHHS, Bethesda, Maryland, U.S.A. Robert C. Susil

Department of Biomedical Engineering, Johns Hopkins University Schoool of Medicine, Baltimore, Maryland, U.S.A.

A Note from the Editors form of image guided therapy. New dosimetry software enables three-dimensional conformal therapy to be performed with external beam or with brachytherapy. Fiducial markers, which are implanted prior to therapy, allow real-time motion correction to minimize non-target therapy. Recent advances in magnetic resonance imaging (MRI) and computed tomography (CT) guided brachytherapy promise to improve the delivery of high dose rate therapy to the desired target while significantly reducing side effects caused by undesired damage to normal tissue.

adiotherapy has traditionally made use of only the most basic image guidance. Recent advances, however, have made radiotherapy the most advanced

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