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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Helical CT, also known as spiral CT, involves a continuous rotation of the X-ray tube and simultaneous movement of the patient through the scanner, allowing for rapid acquisition of data in a helical path. In contrast, axial CT captures images one slice at a time by rotating the X-ray tube around the patient and then moving the table incrementally between scans, which can be slower and less efficient. Helical CT offers better image quality, faster scanning times, and improved ability to reconstruct images in multiple planes.
First of all, it's a spiral galaxy, not an spiral galaxy. Second, a spiral galaxy would have a spiral shape, obviously.
Spiral
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
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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."