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  Indian J Med Microbiol
 

Figure 3: Histopathology section from tumor show (a) Sheet of tumor cells, ovoid nuclei, finely specked chromatin pattern. The cytoplasm was acidophilic with poorly defined cell margins. (hematoxylin-eosin, ×400 ). (b) Strong cytoplasmic synaptophysin immunostaining favoring neuroendocrine differentiation (×400), and (c) Marked cytoplasmic chromogranin immunostaining (×400). (d) Tumor cells show positivity for cytokeratin CAM 5.2 (×400)

Figure 3: Histopathology section from tumor show (a) Sheet of tumor cells, ovoid nuclei, finely specked chromatin pattern. The cytoplasm was acidophilic with poorly defined cell margins. (hematoxylin-eosin, ×400 ). (b) Strong cytoplasmic synaptophysin immunostaining favoring neuroendocrine differentiation (×400), and (c) Marked cytoplasmic chromogranin immunostaining (×400). (d) Tumor cells show positivity for cytokeratin CAM 5.2 (×400)