Figure 5From: Retroperitoneal paraganglioma manifesting as paralytic ileus: a case report Pathology findings. (a) Central necrosis and hemorrhage was noted in this capsulated tumor (hematoxylin and eosin × 5). (b) The tumor cells contained abundant oncocytic cytoplasm and pleomorphic nuclei and were arranged in sheets, large nests and organoid patterns (hematoxylin and eosin × 40).Back to article page