Oncogenic PIK3CA Mutation and Dysregulation in Human Salivary Duct Carcinoma

Figure 3

Overexpression of HER2 protein was detected in some of the salivary duct carcinoma samples. Three of the five patients, SDC1 (b), SDC4 (c), and SDC6 (d), displayed elevated HER2 expression, varying from + to +++. SDC2 was an example with HER2-negative staining (a). Magnification: 200x.

(a)  

(b)

(c)

(d)