When is the preferred method for ER and PgR testing in breast tumors?

Updated: Mar 20, 2019
  • Author: Oudai Hassan, MD; Chief Editor: Chandandeep Nagi, MD  more...
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Currently preferred method of testing

Immunohistochemistry (IHC) is now the method of choice in pathology laboratories. Three ER antibodies are frequently used (1D5, 6F11, and SP1).

Heat-induced epitope retrieval times/techniques and optimal dilutions must be determined by individual laboratories.

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