The Impact of Repeating Endosonography with Confocal Endomicroscopy for the Diagnosis of Cystic Neuroendocrine Tumor

Figure 4

Histology showed a mass composed of trabeculae and solid nests of round, monotonous cells with crowded nuclei and stippled, open chromatin consistent with a cystic well-differentiated neuroendocrine tumor. Few mitotic figures were identified within the tumor.