A 40-year-old member asked:
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what does "hypointense" mean on an mri scan of the knee?

2 doctor answers
Dr. Kamran Janjua
21 years experience Radiology
Need context: "hypointense" means "dark" signal on either t1 (more likely) or t2 weighted sequences. These mean different things, and thus more info is needed. You can learn more about MRI scanning (in text and video) here: http://www.Conciergeradiologist.Com/how-does-mri-work.Html. Be sure to check out related pages on the site to learn more about all things mri, especially as it relates to your case.
Answered on Jun 10, 2014
Dr. Peter Nefcy
38 years experience Radiology
MRI Description: Structures seen on MRI can be described as being hypointense. They mean a hypointense signal, where an area of darkness in the image is hypointense, and a bright area is hyperintense, with the middle as isointense. The meaning varies depending on the sequences or technique used to scan, so the description is relative. For example: water is hypointense in certain images and hyper in others.
Answered on Apr 5, 2019
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Dr. Paul Velt answered
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