Computed tomography nomenclature

What do CT numbers represent?
Computed tomography (CT) number is a calculated value reflecting the X-ray attenuation coefficient in an image voxel, generally expressed in Hounsfield units (HU), where the CT number of water is 0 HU..
Why is CAT scan called CT?
Sometimes thought to be different types of diagnostic tests, they actually refer to the same X-ray procedure.
CAT stands for “computed axial tomography” and CT is simply “computed tomography.” CAT scan was the first of the two terms to be used; CT scan has become more common in recent years..
A computed tomography (CT) scan is an imaging method that uses x-rays to create pictures of cross-sections of the body.
Computed tomography (CT) number is a calculated value reflecting the X-ray attenuation coefficient in an image voxel, generally expressed in Hounsfield units (HU), where the CT number of water is 0 HU.

Dec 1, 2006We propose the following nomenclature for scanning parameters of routine CT applications: First, we propose that the term multi–detectorrow CT skipMainNavigation"NEED FOR STANDARDIZATIONPROPOSALS FOR Missing: computed tomography

Oct 23, 2023Computed tomography (CT), also known as, especially in the older literature and textbooks, computerized axial tomography (CAT),

Computed tomography (CT), also known as, especially in the older literature and textbooks, computerized axial tomography (CAT), is an imaging modality that uses x-rays to build cross-sectional images ("slices") of the body.

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Computed tomography nomenclature

What do CT numbers represent?

Why is CAT scan called CT?