Gastric Schwannoma: A Case Report and Review of the Literature for Gastric Submucosal Masses Distinction

Figure 3

Histopathological and immunohistochemical examinations. (a) Wavy spindled cells separated by woven fibrotic bundles which encompassed by the capsule (black arrow) are apparent. Also, the tumor capsule is surrounded by lymphoid follicles (white arrow). (b) High-power field view. (c) S100 protein is apparent at tumoral parts with diffuse staining as a characteristic feature for schwannoma.

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(b)

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