The Hounsfield scale or CT numbers, named after Sir Godfrey Newbold Hounsfield, is a quantitative scale for describing radiodensity. Table 1 is a simple list of Hounsfield units for body tissues identified in a head CT. The data is very useful when identifying structures in a CT scan and must be committed to memory. Table 2 is a more comprehensive list.
Hebb, Adam O., and Andrew V. Poliakov. ‘Imaging Of Deep Brain Stimulation Leads Using Extended Hounsfield Unit CT’. Stereotactic and Functional Neurosurgery 87.3 (2009): 155-160. Web. 2 Oct. 2015.
Slideshare.net,. ‘BASICS Of CT Head’. N.p., 2015. Web. 2 Oct. 2015.