Fig. 2 | Modern Pathology

Fig. 2

From: Reappraisal of HER2 status in the spectrum of advanced urothelial carcinoma: a need of guidelines for treatment eligibility

Fig. 2

HER2 expression in urothelial carcinoma by immunohistochemistry. a Weak complete membrane staining: score 1+ according to 2007 ASCO/CAP guidelines and score 2+ according to 2013 ASCO/CAP guidelines (×200). b Moderate complete membrane staining: score 2+ according to 2007 and 2013 ASCO/CAP guidelines (×200). c Strong complete membrane staining: score 3+ according to 2007 and 2013 ASCO/CAP guidelines (×200). d Moderate incomplete (“U” shape) membrane staining in a micropapillary urothelial carcinoma. This case would be scored 1+ according to 2007 ASCO/CAP guidelines and 2+ with 2013 ASCO/CAP guidelines (×400). ASCO/CAP American Society of Clinical Oncology/College of American Pathologists, HER2 human epidermal growth factor receptor 2

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