Breast findings incidentally detected on body MRI

Bianca Bignotti, Giulia Succio, Francesca Nosenzo, Michela Perinetti, Licia Gristina, Stella Barbagallo, Lucia Secondini, Massimo Calabrese, Alberto Tagliafico

Research output: Contribution to journalArticlepeer-review


Objectives: To evaluate breast findings incidentally detected on body MRI. Methods: A retrospective review of the institutional database identified 1752 body MRI performed between January 2015 and September 2015. MRI of women with breast tissue visible in the field-of-view were reviewed for breast findings. Breast findings were classified with the breast imaging reporting and data system (BI-RADS) lexicon. The standard statistic, costs of additional work-up, and the clinical relevance were used to describe breast findings, and we calculated 95 % exact confidence intervals (CIs). Results: 440 body MRI of 440 women (mean age: 57 ± 20 years) included breast tissue in the field-of-view. A total of 41 breast findings were identified in 41 patients. Breast findings were classified BI-RADS 2 N = 25, BI-RADS 3 N = 13, BI-RADS 4 N = 3. A total of 3.6 % [95 % CI 1.6 %, 5.6 %] women with breast tissue visible on MRI had a recommendation for further imaging work-up for a breast finding. The 18.7 % (3 of 16) of these patients had a clinically important finding (breast cancer). Further imaging evaluation increased costs of €108.3 per patient with a breast finding. Conclusions: Clinically important breast findings could be detected on body MRI in up to 0.7 % (3 of 440) of women.

Original languageEnglish
Article number781
Issue number1
Publication statusPublished - Dec 1 2016


  • Body
  • Breast
  • Cancer
  • Costs
  • Magnetic resonance imaging

ASJC Scopus subject areas

  • General


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