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Annals of Surgical Oncology

, Volume 22, Issue 4, pp 1111–1117 | Cite as

Histopathologic Correlation of Residual Mammographic Microcalcifications After Neoadjuvant Chemotherapy for Locally Advanced Breast Cancer

  • Beatriz E. Adrada
  • Lei Huo
  • Deanna L. Lane
  • Elsa M. Arribas
  • Erika Resetkova
  • Wei Yang
Breast Oncology

Abstract

Objective

This study was designed to determine the histopathologic correlation at surgery of residual mammographic calcifications in patients after neoadjuvant chemotherapy (NAC) for locally advanced breast cancer (LABC).

Methods

This single-institution, retrospective study was approved by the Institutional Review Board and was Health Insurance Portability and Accountability act compliant. Women with LABC who underwent NAC between January 1, 2004 and December 31, 2008 and had mammography performed before and after NAC available for review were included in this study. The extent of microcalcifications associated with cancer before and after the completion of NAC was correlated with histopathology and biomarker status.

Results

Of 494 patients who met the inclusion criteria, 106 demonstrated microcalcifications on pre-, post-chemotherapy, or both sets of mammograms and were included in this study. Of 106 women, 31 (29 %) had invasive ductal carcinoma (IDC) and 60 (57 %) had both IDC and ductal carcinoma in situ (DCIS). Microcalcifications decreased or remained stable in 76 (72 %) patients after completion of NAC. Correlation of microcalcifications with histopathology after NAC showed that 43 (40.6 %) patients had tumors associated with benign pathology. Of 32 patients with pathologic complete response, calcifications were associated with DCIS in 9 (9 %) and benign findings in 21 (22 %). The proportion of residual malignant calcifications was higher in ER+ versus ER− patients after NAC.

Conclusions

The extent of calcifications on mammography following NAC does not correlate with the extent of residual disease in up to 22 % of women; this information may impact surgical planning in subsets of women with breast cancer.

Keywords

Estrogen Receptor Advanced Breast Cancer Invasive Ductal Carcinoma Invasive Lobular Carcinoma Locally Advanced Breast Cancer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Disclosures

No disclosures are declared by any of the authors.

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Copyright information

© Society of Surgical Oncology 2014

Authors and Affiliations

  • Beatriz E. Adrada
    • 1
  • Lei Huo
    • 2
  • Deanna L. Lane
    • 1
  • Elsa M. Arribas
    • 1
  • Erika Resetkova
    • 2
  • Wei Yang
    • 1
  1. 1.Department of Diagnostic RadiologyThe University of Texas, M.D. Anderson Cancer CenterHoustonUSA
  2. 2.Division of Pathology/Lab Medicine, Department of PathologyThe University of Texas, M.D. Anderson Cancer CenterHoustonUSA

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