Home » Archive by category "CT Scan"

Windowing: Window Level vs Window Width

Windowing The computer allows for digital manipulation or windowing of the image and controls the various components that make up the entire CT system. level of the window: bone window or soft tissue window/lung window   Window Level/ Window Center a CT number or Hounsfield unit to be...
Continue reading »

What is Computed Tomography (CT ) Scan? How Does It Work?

Non-Contrast Axial CT. Tuberous Sclerosis.       Computed Tomography is a specialized X-ray imaging technique. It may be performed “plain” or after the injection of a “Contrast Agent”. CT creates the image by using an array of individual small X-Ray sensors and a computer. By spinning the...
Continue reading »