Correlation of HER-2 status with estrogen and progesterone receptors and histologic features in 3,655 invasive breast carcinomas

Priti Lal, Lee K. Tan, Beiyun Chen

Research output: Contribution to journalArticle

141 Citations (Scopus)

Abstract

We studied the inverse relationship between HER-2 and estrogen (ER) and progesterone (PR) receptors using HER-2 testing and correlated HER-2 status with histologic features in 3,655 unselected invasive breast carcinomas. Immunohistochemical analysis for ER, PR, and HER-2 and fluorescence in situ hybridization for HER-2 were performed. ER and PR expression were decreased significantly in HER-2+ tumors compared with HER-2- tumors (ER, 49.1% vs 78.17%; PR, 24.3% vs 53.13%). Even among HER-2+ tumors, the rate of ER or PR expression in high-grade tumors was significantly decreased compared with intermediate-grade tumors. HER-2 was positive in 10.87% of grade 2 and 27.84% of grade 3 ductal carcinomas and negative in all grade 1 ductal carcinomas. HER-2 overexpression or amplification essentially was limited to grades 2 and 3 ductal carcinomas and correlated inversely with ER or PR expression. Although ER or PR expression is decreased in HER-2+ tumors, a substantial proportion of them still express ER or PR.

Original languageEnglish (US)
Pages (from-to)541-546
Number of pages6
JournalAmerican Journal of Clinical Pathology
Volume123
Issue number4
DOIs
StatePublished - Apr 2005
Externally publishedYes

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Progesterone Receptors
Estrogen Receptors
Progesterone
Estrogens
Breast Neoplasms
Ductal Carcinoma
Neoplasms
Fluorescence In Situ Hybridization

Keywords

  • Breast carcinoma
  • c-erbB-2
  • Estrogen receptor
  • FISH
  • Fluorescence in situ hybridization
  • HER-2/neu
  • Histology
  • Progesterone receptor

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Correlation of HER-2 status with estrogen and progesterone receptors and histologic features in 3,655 invasive breast carcinomas. / Lal, Priti; Tan, Lee K.; Chen, Beiyun.

In: American Journal of Clinical Pathology, Vol. 123, No. 4, 04.2005, p. 541-546.

Research output: Contribution to journalArticle

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