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  Indian J Med Microbiol
 

Figure 2: Nasal mucosa with an extended tumor, which is mostly arranged as variable-sized nests of tumor cells arrowed. (a) H and E, scanning magnification). Tumor cell nests were formed of fairly uniform cells showing hyperchromatic nuclei and slightly eosinophilic cytoplasm, and the intervening stroma is vascular. (b) H and E, ×40 magnification). (c) Upon immunohistochemistry, the tumor cells were strongly positive for synaptophysin. (d) Upon immunohistochemistry, the tumor cells were strongly positive for CD56. (e) Upon immunohistochemistry, the tumor cells were strongly positive for chromogranin. (f) Upon immunohistochemistry, the sustentacular cells are highlighted with S100

Figure 2: Nasal mucosa with an extended tumor, which is mostly arranged as variable-sized nests of tumor cells arrowed. (a) H and E, scanning magnification). Tumor cell nests were formed of fairly uniform cells showing hyperchromatic nuclei and slightly eosinophilic cytoplasm, and the intervening stroma is vascular. (b) H and E, ×40 magnification). (c) Upon immunohistochemistry, the tumor cells were strongly positive for synaptophysin. (d) Upon immunohistochemistry, the tumor cells were strongly positive for CD56. (e) Upon immunohistochemistry, the tumor cells were strongly positive for chromogranin. (f) Upon immunohistochemistry, the sustentacular cells are highlighted with S100