Which chronic and later 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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Answer

Answer

Chronic and later changes seen on MRIs include the following [12] :

  • Between 9-18 months, enhancement may or may not be present at a lumpectomy site. [13] Therefore, residual or recurrent disease is excluded if no enhancement is seen.

  • A false-positive diagnosis may be made if enhancement is seen.

  • The morphology of the enhancement (ie, smooth and thin walled vs irregular and thick walled) may help differentiate between the 2 conditions.

  • Scar tissue should not be enhancing after 18 months. Therefore, tissue that enhances must be considered suspicious, and biopsy should be considered.


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