Comparison of enhancement characteristics between invasive lobular carcinoma and invasive ductal carcinoma

Ritse M. Mann*, Jeroen Veltman, Henkjan Huisman, Carla Boetes

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)

Abstract

Purpose: To compare enhancement characteristics between invasive lobular carcinoma (ILC) and invasive ductal carcinoma (IDC) on contrast enhanced MRI of the breast and to observe the magnitude of eventual differences as these may impair the diagnostic value of breast MRI in ILC. Materials and Methods: We performed an analysis of enhancement characteristics on biphasic breast MRI in a series of 136 patients (103 IDC, 33 ILC) using an in-house developed application for pharmacokinetic modeling of contrast enhancement and a commercially available CAD application that evaluated the contrast-enhancement versus time curve. Results: Pharmacokinetic analysis showed that the most enhancing voxels in IDC had significantly higher K trans-values than in ILC (P < 0.01). No difference in v e-values was noted between groups. Visual assessment of contrast-enhancement versus time curves revealed wash-out curves to be less common in ILC (48% versus 84%). However, when using the CAD-application to assess the most malignant looking curve, the difference was blotted out (76% versus 86%). Conclusion: ILC enhances slower than IDC but peak enhancement is not significantly less. The use of a CAD-application may help to determine the most malignant looking contrast-enhancement versus time curve, and hence facilitates lesion classification.

Original languageEnglish
Pages (from-to)293-300
Number of pages8
JournalJournal of magnetic resonance imaging
Volume34
Issue number2
DOIs
Publication statusPublished - 1 Aug 2011
Externally publishedYes

Keywords

  • breast cancer
  • Contrast enhanced magnetic resonance imaging
  • Invasive lobular carcinoma
  • pharmacokinetic modeling

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