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Medical Definition of Window width
1. The range of CT numbers (in Hounsfield units) included in the gray scale video display of the CT image, ranging from 1 to 2000 or 3000, depending on the type of machine. See: window level. (05 Mar 2000)
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1. The range of CT numbers (in Hounsfield units) included in the gray scale video display of the CT image, ranging from 1 to 2000 or 3000, depending on the type of machine. See: window level. (05 Mar 2000)