Figure 1From: Sinonasal neuroendocrine carcinoma: impact of differentiation status on response and outcomePhotomicrograph of a moderately differentiated (A) and poorly differentiated (B) neuroendocrine carcinomas of the sinonasal tract. Figure 1C shows a chromogranin positivity in the cytoplasm of tumor cells of a MDNEC and Figure 1D displays synaptophysin positive PDNEC.Back to article page