describe six different perfusion imaging techniques. State what they are, what they do, what they can...

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Medical Sciences

describe six different perfusion imaging techniques. State whatthey are, what they do, what they can be used for, the advantagesover regular MRI, and the disadvantages of thetechnique.

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Answer Perfusion MRI is a promising tool in assessing stroke brain tumors and patients with neurodegenerative diseases MRI has been used in the assessment of a variety of CNS abnormalities including tumors metastases infections vascular and degenarative diseases Multiple studies have shown that the optimized use of highquality contrast media in perfusion MRI can substantially ipmrove detection charecterization and monitor of CNS diseases Perfusion is one of the most imporrant physiologic and pathophysiologic parametersand can be assessed noninvasively with MRI Today we have several techniques to derive perfusionrelated parameters using endogenous contrast methods Six types of perfusion imaging techniques are Positron emission tomography Single photon emission computed tomography Xenonenhanced computed tomography Dynamic perfusion computed tomography MRI dynamic susceptibility contrast Arterial spin labelling 1 Positron emission tomography PET It is a scan is an imaging test that check for disease in our body The sacn uses a special dye containing radio active tracers The PET scan can meassured blood flow oxygen use how your body uses sugar much more What PET do PET works by using a scanning device a machine with a large hole at its center to detect photons sub atomic particles emitted by a radio nuclide in the organ or tissue by examined The radionuclieds used in PET scans are made by attaching a radio See Answer

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