Metastatic Carcinoma of the Breast Presenting as Gingival Swelling in the Maxilla: A Case Report

Figure 4

(a) Scanner view showing cohesive islands of tumour epithelial islands separated from the overlying surface epithelium by a grenz zone. Some tumour islands show central necrosis (4×); (b) Low power view shows cohesive islands of tumour epithelial islands and some tumour islands show central necrosis. (10×). (c) The surface epithelium and infiltrating epithelial tumour islands in the connective tissue were positive for Pan CK (4×). (d) IHC showing positive CK7 staining.

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