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Rim sign and histogram analysis of apparent diffusion coefficient values on diffusion-weighted MRI in triple-negative breast cancer: Comparison with ER-positive subtype

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  • Yangsean Choi
  • Sung Hun Kim
  • In Kyung Youn
  • Bong Joo Kang
  • Woo-chan Park
  • Ahwon Lee

Abstract

Purpose: To investigate associations between the clinicopathologic features and MRI features of triple-negative breast cancer (TNBC) and ER-positive breast cancer (BC) via apparent diffusion coefficient (ADC) histogram analysis. Materials and methods: In this study, 221 breast cancer patients with pre-operative MRI performed from August 2009 to March 2015 were included in a retrospective analysis. All patients had a pathologically confirmed diagnosis of invasive carcinoma and were grouped into ER-positive (149) or triple-negative (72) subtypes. DWI rim sign and various ADC parameters (mean; mode; 25, 50, and 75 percentiles; skewness; and kurtosis) between ER-positive and TNBC were compared using whole-lesion ADC histogram analysis. Univariate and multivariate regression analyses were used for statistical comparison. Results: DWI rim signs were detected in 42.3% and 41.7% of ER-positive subtype and TNBC, respectively (P = 0.931). TNBC had poorer histologic grade (P

Suggested Citation

  • Yangsean Choi & Sung Hun Kim & In Kyung Youn & Bong Joo Kang & Woo-chan Park & Ahwon Lee, 2017. "Rim sign and histogram analysis of apparent diffusion coefficient values on diffusion-weighted MRI in triple-negative breast cancer: Comparison with ER-positive subtype," PLOS ONE, Public Library of Science, vol. 12(5), pages 1-12, May.
    • Handle: RePEc:plo:pone00:0177903
    DOI: 10.1371/journal.pone.0177903
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