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Lung Cancer

Lung tumor radiotherapy planning via 4DCT minimizes risk of normal tissue toxicity

Published in Respiratory Therapeutics Week, September 4th, 2006

The use 4DCT for radiotherapy planning of lung tumors minimizes the risk of normal tissue toxicity.

"Fluoroscopy is widely used for evaluating tumor mobility in radiotherapy planning. Lung tumor mobility was scored using virtual fluoroscopy, and this was compared to mobility derived from contoured tumors in all phases of a respiration-correlated (or 4D) CT scan. 4DCT datasets were reviewed and 29 patients were identified in whom tumors were visible on anterior-posterior fluoroscopy views. Mobility in all directions was estimated on fluoroscopy movie loops by clinicians," scientists in Netherlands reported.

"These results were compared to mobility...

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