Bladder paraganglioma after kidney transplantation: A case report

Figure 2 Histological examination and immunohistochemical staining. A: Histological examination of the resected vesical polyp revealed that the cells were arranged in sheets and nests [hematoxylin and eosin (H&E) staining]; B: The cytoplasm was eosinophilic to amphophilic (H&E staining); C: The neoplasm infiltrated the muscle layer (H&E staining); D-F: Homogeneous immunoreactivity to neuroendocrine markers such as synaptophysin (D), chromogranin A (E), and S-100 (F) (immunohistochemical staining).