Description of a Rare Case of Nodular Fasciitis of the Apical Aspect of the Upper Buccal Sulcus

Figure 2

(a) Proliferation of spindle cells arranged in fascicles (Hematoxylin and Eosin stain, original magnification 10x). (b) Cells of nodular fasciitis with elongated shape, oval nuclei, and eosinophilic cytoplasm (Hematoxylin and Eosin stain, original magnification 40x). (c) Immunohistochemical stain showing strong positivity for smooth muscle actin (smooth muscle actin stain, original magnification 20x). (d) Immunohistochemistry stain showing negativity for CD34 (CD34 stain, original magnification 20x).

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