A. Irritational fibroma Wrong, Many granular cells could be detected infiltrating the underlying muscles.
B. Rhabdomyoma adult-type. Wrong, Cells were lacking the peculiar cross-striations of rhabdomyoma and the spider-web appearance.
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C. Granular cell tumor. Right, Clinically, the lesion appears as a dome shaped swelling with smooth surface, along with its long duration indicates that it is a benign tumor. The lesion was formed of nests and sheets of eosinophilic granular cells with syncytial appearance. The subepithelial area was devoid of tumoral cells. However, the cells appeared in the submucosa and infiltrating the underlying muscles.
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C. Granular cell tumor. Right, Clinically, the lesion appears as a dome shaped swelling with smooth surface, along with its long duration indicates that it is a benign tumor. The lesion was formed of nests and sheets of eosinophilic granular cells with syncytial appearance. The subepithelial area was devoid of tumoral cells. However, the cells appeared in the submucosa and infiltrating the underlying muscles.
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