Preoperative loco-regional staging of invasive lobular carcinoma with contrast-enhanced digital mammography (CEDM)

Francesco Amato, Giulia Bicchierai, Donatello Cirone, Catherine Depretto, Federica Di Naro, Ermanno Vanzi, Gianfranco Scaperrotta, Tommaso Vincenzo Bartolotta, Vittorio Miele, Jacopo Nori

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of our study was to assess the performance of contrast-enhanced digital mammography (CEDM) in the preoperative loco-regional staging of invasive lobular carcinoma (ILC) patients, about the valuation of the extension of disease and in measurement of lesions. Then, we selected retrospectively, among the 1500 patients underwent to CEDM at the Breast Diagnostics Department of the Careggi University Hospital of Florence and the National Cancer Institute of Milan from September 2016 to November 2018, 31 women (mean age 57.1 aa; range 41–78 aa) with a definitive histological diagnosis of ILC. CEDM has proved to be a promising imaging technique, being characterized by a sensitivity of 100% in the detection of the index lesion, and of 84.2% in identifying any adjunctive lesions: It was the presence of a non-mass enhancement (NME) to lower the sensitivity of the technique (25% vs. 100% for mass-like enhancements or a mass closely associated with a NME). Specificity in the characterization of additional lesions was 66.7%, and the diagnosis of the extension of disease was correct in 77.4% of cases: NME also led to a decrease in diagnostic accuracy in the evaluation of disease extension up to 40% versus 85% for masses and 80% for masses associated with NME (M/NME). Moreover, in 12/31 (38.7%), CEDM allowed to correctly identify lesions not shown by mammography + ultrasonography + tomosynthesis: In the half of these (6/12), there was a multicentricity, thus allowing an adequate surgical planning change. CEDM was also very accurate in analyzing the maximum diameter of the masses, while it was much less reliable in the case of the M/NME and pure NME. In conclusion, CEDM is a new promising imaging technique in the loco-regional preoperative staging and in the evaluation of disease extension for ILC, especially in case of mass enhancement lesions.

Original languageEnglish
Pages (from-to)1229-1237
Number of pages9
JournalRadiologia Medica
Volume124
Issue number12
DOIs
Publication statusPublished - Dec 1 2019

Keywords

  • Breast
  • Breast cancer staging
  • Contrast-enhanced digital mammography
  • Contrast-enhanced spectral mammography
  • Invasive lobular breast cancer

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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