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CT Number

A normalized quantifier of the attenuation coefficient which is imaged in a CT scanner. The resulting encountered values are Hounsfield units and… 
National Institutes of Health

Papers overview

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2016
2016
OBJECTIVE To investigate the changes in CT number (CTN) in gross tumour volume (GTV) and organs at risk (OARs) during the course… 
2015
2015
Purpose: It has been reported recently that radiation can induce CT number (CTN) change during radiation therapy (RT) delivery… 
2014
2014
PURPOSE To measure CT number (CTN) changes in tumor and normal lung as a function of radiation therapy (RT) dose during the… 
2013
2013
Purpose: To characterize radiation‐induced CT number (CTN) changes in tumor from the CT data acquired during IGRT for head and… 
2011
2011
One of the building blocks in Monte Carlo (MC) treatment planning is to convert patient CT data to MC compatible phantoms… 
2000
2000
PURPOSE To introduce a parameter called "intralobular air content percentage" to replace the CT number of the lung and to…