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Models To Reduce Radiation Risks

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The Tampa Tribune

Published: November 29, 2008

Destroying a tumor with radiation poses a number of challenges and risks, especially for a pregnant woman and her fetus.

Researchers at Rensselaer Polytechnic Institute in New York are working to reduce those risks by advancing computer techniques that use virtual models of the human body. Their latest research looks at ways to protect a developing fetus.

Their goal is to help hospitals and radiologists more accurately calculate required dosages to destroy a tumor.

The work at RPI adds to similar research worldwide. About 30 other virtual models have been created for a variety of body types. Some of the earliest models consisted of simple geometric shapes - cones and cylinders, and internal organs that looked more like pieces of a puzzle.

The latest models are far more realistic. Researchers at RPI and elsewhere use MRI, CAT scans and photos of cadavers to build their models.

The scientists are also defining the different organs and tissues because the radiation affects them differently.

Albany (N.Y.) Times Union

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