Faxitron CT Specimen Radiography System User Guide
Chapter 6: Faxitron CT Software Operation
Page 72 5081-9544 Revision 004
The Hounsfield unit is a quantitative scale for describing radiosensitivity relative to
water, defined as 0, and air, defined as -1000. It is frequently used in CT scans. Simply
place the cursor over the area you want to measure. The following images show the
Hounsfield Units for a fatty region, denser fibrous tissue, and a calcification, respectively.
Figure 89: Hounsfield Units – Fatty Tissue
Figure 90: Hounsfield Units – Denser Fibrous Tissue
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