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Τετάρτη 7 Φεβρουαρίου 2018

The gray scale value of ear tissues undergoing volume-rendering high-resolution cone-beam computed tomography

When the thresholds for VR reconstruction from multi-slice CT images are changed, problems develop when assessing pathologies in the absence of standardized thresholds. The advantages of CBCT include lower radiation exposure compared with other techniques and better visualization of small ear structures. However, a disadvantage is that the scanner provides unstandardized gray scale values, thus not CT numbers (Hounsfield units, HU).

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