General
CT Related Resources
Lymphadenopathy
Lymphadenopathy is a term meaning “disease of the lymph nodes”. It is, however, almost synonymously used with “swollen/enlarged lymph nodes”. It could be due to infection, auto-immune disease, or malignancy. Read more…
Number of View :502Categories: General Tags: Lymphadenopathy
Hounsfield scale
The Hounsfield scale, named after Sir Godfrey Newbold Hounsfield, is a quantitative scale for describing radiodensity.
The Hounsfield unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement into one in which the radiodensity of distilled water at standard pressure and temperature (STP) is defined as zero Hounsfield units (HU), while the radiodensity of air at STP is defined as -1000 HU.
It is the definition for CT scanners that are calibrated with reference to water. Read more…
Categories: General Tags: Hounsfield scale, UH
