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Hounsfield scale information


The Hounsfield scale (/ˈhnzfld/ HOWNZ-feeld), named after Sir Godfrey Hounsfield, is a quantitative scale for describing radiodensity. It is frequently used in CT scans, where its value is also termed CT number.

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Hounsfield scale

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The Hounsfield scale (/ˈhaʊnzfiːld/ HOWNZ-feeld), named after Sir Godfrey Hounsfield, is a quantitative scale for describing radiodensity. It is frequently...

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Godfrey Hounsfield

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immortalised in the Hounsfield scale, a quantitative measure of radiodensity used in evaluating CT scans. The scale is defined in Hounsfield units (symbol HU)...

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Hounsfield

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Hounsfield may refer to: Hounsfield Heights/Briar Hill, Calgary, an inner suburban neighbourhood in northwest Calgary, Alberta, Canada Hounsfield, New...

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Cone beam computed tomography

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machines) and to the lack of appropriate bone density determination. The Hounsfield scale is used to measure radiodensity and, in reference to CT scans, can...

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Radiodensity

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according to the Hounsfield scale, a principle which is central to X-ray computed tomography (CT scan) applications. On the Hounsfield scale, distilled water...

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CT scan

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physicist Allan MacLeod Cormack and British electrical engineer Godfrey Hounsfield "for the development of computer-assisted tomography". On the basis of...

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Hu

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Holographic Universe, in quantum gravity and string theories Hounsfield Units, on the Hounsfield scale, a unit of measurement used on a computed tomography machine...

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Gastric emptying study

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2D CT scan Other Fluoroscopy Dental panoramic radiography X-ray motion analysis Hounsfield scale Radiodensity...

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Atherosclerosis

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atheromatous plaques, within the artery wall. On CT, >130 units on the Hounsfield scale (some argue for 90 units) has been the radiographic density usually...

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Omental cake

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investigate omental thickening and irregularities in density using the Hounsfield scale and other radiographic tools to determine the extent of abdominal disease...

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List of scientific units named after people

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hartley (Hart), information – Ralph Hartley Hounsfield scale, radiodensity – Godfrey Newbold Hounsfield jansky (Jy), electromagnetic flux – Karl Jansky...

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Angiomyolipoma

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renal angiomyolipoma. It involves the renal cortex, and has an attenuation of less than 20 HU on the Hounsfield scale, which are typical characteristics....

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DMSA scan

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2D CT scan Other Fluoroscopy Dental panoramic radiography X-ray motion analysis Hounsfield scale Radiodensity...

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Diffusion MRI

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2D CT scan Other Fluoroscopy Dental panoramic radiography X-ray motion analysis Hounsfield scale Radiodensity...

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Lung nodule

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stratification. CT densitometry, measuring absolute attenuation on the Hounsfield scale, has low sensitivity and specificity and is not routinely employed...

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Dacryoscintigraphy

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2D CT scan Other Fluoroscopy Dental panoramic radiography X-ray motion analysis Hounsfield scale Radiodensity...

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Renal cyst

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septa, calcifications, or solid components, and has a density of 0–20 Hounsfield units (HU) (about equal to that of water). In such cases, a CT scan without...

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Magnus Church of England Academy

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Physiology or Medicine with Allan McLeod Cormack, gave his name to the Hounsfield scale, and also led the team that built the EMIDEC 1100, Britain's first...

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History of radiation protection

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Hospital in London. Its inventor was the English engineer Godfrey Newbold Hounsfield (1919-2004), who shared the 1979 Nobel Prize in Medicine with Allan McLeod...

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Ayub Ommaya

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with the computed tomography (CT) scanner. His work with Sir Godfrey Hounsfield to determine the spatial resolution of the CT scanner opened the door...

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EMI

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Central Research Laboratories in Hayes under the leadership of Godfrey Hounsfield, an electrical engineer at EMI. In the early 1970s, with financial support...

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List of electrical engineers

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Hewlett-Packard Hugo Hirst Co-founder of General Electric Company Godfrey Hounsfield Inventor of the world's first computed tomography (CT) scanner, shared...

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Multiple myeloma

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radiodense. Overall, the radiodensity of myeloma is between −30 and 120 Hounsfield units (HU). Magnetic resonance imaging is more sensitive than simple X-rays...

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Atheroma

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areas of calcification within them to create large enough regions of ~130 Hounsfield units which a CT scanner's software can recognize as distinct from the...

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Industrial computed tomography

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1972 with the invention of the CT scanner for medical imaging by Godfrey Hounsfield. The invention earned him a Nobel Prize in medicine, which he shared with...

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