Which acute postsurgical breast changes are seen on MRI?

Updated: Dec 19, 2018
  • Author: Susan Ackerman, MD; Chief Editor: Eugene C Lin, MD  more...
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Acute changes seen on MRIs include the following [11] :

  • Hemorrhage can have variable signal intensity on nonenhanced T1-weighted images.

  • Early or intense enhancement, or both, may occur.

  • Hematomas and seromas manifest as a cavity with variable signal intensity (low to high), depending on whether it is acute or chronic.

  • Generally, hematomas and seromas have a thinner, smoother capsule, whereas residual or recurrent tumor is more nodular and irregular.

  • Granulation tissue usually enhances moderately, and enhancement is delayed; however, fast enhancement may lead to false-positive diagnosis.

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