Case 2
Result
Unfortunately
this is not correct!
This biopsy case shows abundant invasive tumor with some necrosis. Non-neoplastic breast epithelium is also present. Patchy variable cytoplasmic blush is seen (even from lower magnification). Patchy faint to moderate partial membrane staining is seen. A rare tumor cell shows complete membrane staining. While some tumor cell membrane staining can be seen at a lower magnification, it is necessary to review the tissue at 40x to include all faint membrane staining.1
1. Ventana 4B5 Interpretation Guide (Roche) https://diagnostics.roche.com/us/en/landing-pages/breast-her2-low.html.
This tool has been developed by AstraZeneca and is for demonstration purposes, it is not meant to replace HER2 interpretation trainings.
The tool is intended for pathologists only.
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