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Randy Griswold, M.P.A., R.T.(R)
A number of factors are assessed when looking at medical imaging quality: the sharpness of anatomical details, the visualization of tissue structures, and image noise as a function of exposure. Identifying anatomy is the result of contrast resolution, and the visibility of subtle tissue structures is particularly related to low contrast resolution (LCR). LCR is clinically very important to the radiologist, and oftentimes patient pathologies are detected based on small changes in selected low contrast tissue densities. This presentation will look at LCR as it relates to contrast resolution and specifically how LCR is relied upon by the radiologist when interpreting an image. Low contrast resolution is a desirable characteristic of medical image receptors, but this feature can also affect image quality.
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