Spiral CT, also called helical CT, is a newer version of CT scanning that is continuous in motion and allows for three-dimensional re-creation of images
major advantage of spiral CT is higher resolution and the ability to reconstruct images anywhere along the length.Although spiral is more advantageous for many applications, conventional CT is still a superior and precise method for imaging many tissues.
No difference. CT machines used to take a single 'slice' at a time. Now they take a 'spiral' image whilst the patient moves through them and the 'slices' are created afterwards by the machine's software. When the multi-slice CT machines came along, people started referring to them as 'spiral CT' to differentiate from the older machines. All CTs these days are 'spiral'.
Spiral CT, also called helical CT, is a newer version of CT scanning which is continuous in motion and allows for three-dimensional recreation of images.
A spiral CT is a new technology, it refers to the way the xrays are emitted. The tube that produces the xrays is paralell with a receiver on the opposite side of the opening in the CT machine. To take the image, the tube and receiver are circling as it is doing this the bed is moving into the opening. This combination creates a spiral movement around your body. This new technology allows for a quicker scan and reduced radiation dose while not sacrificing the image quality.
A major advantage of spiral CT is the ability to reconstruct images anywhere along the length of the study area. The procedure also speeds up the imaging process, meaning less time for the patient to lie still.
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First of all, it's a spiral galaxy, not an spiral galaxy. Second, a spiral galaxy would have a spiral shape, obviously.
Spiral
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"Spiral" can be a noun as in, "The spring is in the shape of a spiral", or it can be a verb as in, "He would eventually spiral out of control."
Brain scans can detect tumors, strokes, and hematomas (collections of blood that have escaped from the vessels). The introduction of CT scanning, especially spiral CT, has helped reduce the need for more invasive procedures such as cerebral angiography
A spiral galaxy or barred spiral.