Breast Tumour Biomarkers, ER, PR , HER2

Solid Tumour Biomarker Testing, ER, PR , HER2, IHC, ISH
Anatomical Pathology
Surgical Pathology


Other Information

Breast specimens must have a cold ischemic time of <60 minutes proceeded by fixation in 10% neutral buffered formalin for 6-72 hours. (as per CAP/ASCO guidelines) Microwave processed and decalcified samples are not suitable for testing. Mercurochrome use as a dye marker is not recommended.

Reflex testing on all newly diagnosed breast cancers.
Biomarkers: ER, PR , HER2 IHC/ISH



Formalin fixed paraffin embedded block or tissue sections cut at 4 microns mounted on "Superfrost Plus" charged slides.


Dako Omnis


Monday to Friday; 8 am to 5 pm

Please refer directly to the Pathology Report

Tel: (416) 586-4800 extension 4457
Fax: (416) 586-8628
Email: PLMconsults@sinaihealth.ca