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  Indian J Med Microbiol
 

Figure 7: (a-c) Immunohistochemically, the neoplastic cells expressed synaptophysin, chromogranin and nonspecifi c enolase (NSE), diffusely and strongly (a: synaptophysin immunostaining, ×400, b: chromogranin A immunostaining, ×400, c: NSE immunostaining, ×400). (d) By S100 immunostaining, scattered S100 protein immunoreactive sustentacular cells were evident (S100 protein immunostaining, ×400). (e) The tumor cells were immunonegative for glial fi brillary acid protein (GFAP) (GFAP immunostaining, ×200)

Figure 7: (a-c) Immunohistochemically, the neoplastic cells expressed synaptophysin, chromogranin and nonspecifi c enolase (NSE), diffusely and strongly (a: synaptophysin immunostaining, ×400, b: chromogranin A immunostaining, ×400, c: NSE immunostaining, ×400). (d) By S100 immunostaining, scattered S100 protein immunoreactive sustentacular cells were evident (S100 protein immunostaining, ×400). (e) The tumor cells were immunonegative for glial fi brillary acid protein (GFAP) (GFAP immunostaining, ×200)