Estrogen receptor

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Estrogen receptor, abbreviated ER, is a common immunostain.

General

In the context of breast pathology it is a class II IHC test, as it is used for treatment decisions by itself.[1]

Positive

Occasionally positive

Negative

See also

References

  1. Torlakovic, EE.; Riddell, R.; Banerjee, D.; El-Zimaity, H.; Pilavdzic, D.; Dawe, P.; Magliocco, A.; Barnes, P. et al. (Mar 2010). "Canadian Association of Pathologists-Association canadienne des pathologistes National Standards Committee/Immunohistochemistry: best practice recommendations for standardization of immunohistochemistry tests.". Am J Clin Pathol 133 (3): 354-65. doi:10.1309/AJCPDYZ1XMF4HJWK. PMID 20154273.
  2. Tanaka, K.; Shimizu, K.; Kakegawa, S.; Ohtaki, Y.; Nagashima, T.; Kaira, K.; Horiguchi, J.; Oyama, T. et al. (2016). "Prognostic significance of aromatase and estrogen receptor beta expression in EGFR wild-type lung adenocarcinoma.". Am J Transl Res 8 (1): 81-97. PMID 27069542.