A member asked:

What do hyperintense signals in breast mri mean?

3 doctors weighed in across 3 answers
Dr. Paxton Daniel answered

Specializes in Radiology

Glandular tissue and cysts can do this and are most often seen when the MRI is done later in the menstrual cycle. Concerning findings are masses that get bright with contrast and have other features that suggest cancer.

Answered Jun 10, 2014

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Dr. Philip Chao answered

Specializes in Radiology

Specify if this was before or after contrast. If you see an enhancing lesion - it can be benign but it might be malignant. It depends on the appearance - location and enhancement pattern. If your area has washout enhancement it makes it more serious. Hyperintense lesions on precontrast images are usually cysts and benign.

Answered May 17, 2019

5.1k views

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Dr. Michael Gabor answered

Specializes in Diagnostic Radiology

not enough info to answer the question, because signal intensity varies depending on what particular MRI sequence is being performed, and whether or not IV contrast is used. For example, a benign breast cyst is hyperintense(bright) on a T2-weighted sequence, and hypointense(dark) on a T1-weighted sequence. A benign fibroadenoma may be hypointense on T1 without contrast, and hyper with contrast.

Answered Mar 13, 2020

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