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| Perfusion scanning ： ウィキペディア英語版 |
Perfusion scanning
Perfusion is defined as the passage of fluid through the lymphatic system or blood vessels to an organ or a tissue.〔American Psychological Association (APA):
perfusion. (n.d.). Dictionary.com Unabridged (v 1.1). Retrieved March 20, 2008, from Dictionary.com website: http://dictionary.reference.com/browse/perfusion〕 The practice of perfusion scanning, is the process by which this perfusion can be observed, recorded and quantified. The term perfusion scanning encompasses a wide range of medical imaging modalities.
==Applications==
Being able to observe and quantify perfusion in the human body has been an invaluable step forward in medicine. With the ability to ascertain data on the blood flow to vital organs such as the heart and the brain, doctors are able to make quicker and more accurate choices on treatment for patients. Nuclear medicine has been leading perfusion scanning for some time, although the modality has certain pitfalls. It is often dubbed 'unclear medicine' as the scans produced may appear to the untrained eye as just fluffy and irregular patterns. More recent developments in CT and MRI have meant clearer images and solid data, such as graphs depicting blood flow, and blood volume charted over a fixed period of time.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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