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  Indian J Med Microbiol
 

Figure 6 (a) Photomicrograph showing questionable muscle invasion in oral squamous cell carcinoma (hematoxylin and eosin, 20×). (b) Photomicrograph showing muscle tissue (olive-green color) invaded by atypical epithelial cells in oral squamous cell carcinoma (modified Cajal trichrome stain, 20×).

Figure 6 (a) Photomicrograph showing questionable muscle invasion in oral squamous cell carcinoma (hematoxylin and eosin, 20×). (b) Photomicrograph showing muscle tissue (olive-green color) invaded by atypical epithelial cells in oral squamous cell carcinoma (modified Cajal trichrome stain, 20×).