Correlation between histopathological features and recurrence score according to menopausal status in HR+/HER2- breast cancer patients: a retrospective study

  • 0Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy.

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Summary

This summary is machine-generated.

Histopathological features correlate differently with breast cancer recurrence scores based on menopausal status. Understanding these variations is key for refining risk stratification in early-stage hormone-receptor-positive, HER2-negative breast cancer patients.

Area Of Science

  • Oncology
  • Genomics
  • Pathology

Background

  • Traditionally, clinico-pathological features guide breast cancer (BC) prognosis and adjuvant therapy.
  • Genomic tests like Oncotype DX refine risk stratification for hormone-receptor-positive (HR+)/human epidermal growth factor-receptor 2 negative (HER2-) BC patients.
  • Menopausal status is a critical factor in BC, potentially influencing treatment response and prognosis.

Purpose Of The Study

  • To investigate the correlation between histopathological parameters and the recurrence score (RS) in HR+/HER2- early BC patients.
  • To analyze these correlations while accounting for menopausal status (pre- vs. post-menopausal).
  • To identify specific clinico-pathological factors that predict RS in different menopausal groups.

Main Methods

  • Retrospective analysis of 180 HR+/HER2- early BC patients who underwent Oncotype DX testing.
  • Collected clinico-pathological data including tumor grade (G3), Ki67, estrogen receptor (ER%), and progesterone receptor (PgR%).
  • Employed linear regression for continuous RS and logistic regression for dichotomized RS (thresholds 16 and 25) stratified by menopausal status.

Main Results

  • Overall cohort showed significant RS correlations with G3, Ki67%, ER%, and PgR%.
  • In pre-menopausal patients, Ki67%, ER%, and PgR% correlated significantly with RS; PgR% predicted RS > 16.
  • In post-menopausal patients, G3, Ki67%, and PgR% correlated significantly; Ki67% and PgR% predicted RS > 25.

Conclusions

  • Clinico-pathological features exhibit varying correlations with RS depending on menopausal status in HR+/HER2- early BC.
  • These findings underscore the complexity of risk stratification and the need for personalized approaches.
  • Further research is warranted to fully elucidate factors influencing RS and optimize its clinical utility across diverse patient populations.

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