Malignant Clinical Presentation of a Benign Granular Cell Tumor of Breast in a Patient with Previously Treated Contralateral Invasive Ductal Carcinoma
Figure 3
Pathological microscopic examination demonstrates the infiltration of cells with eosinophilic granular cytoplasm (a); (hematoxylin eosin, ), immunohistochemical staining positive for S100 protein (b); (), and negative for cytokeratin (c); ().
