Diagnostic features and therapeutic strategies for malignant paraganglioma in a patient: A case report

Figure 7 Follow-up imaging findings and representative immunohistochemical staining of the metastatic jugular tumor. A: Enhanced computed tomography (CT) showing hydronephrosis of the right pelvis and renal calyces, accompanied with larger pelvic neoplasm; B: Enhanced CT scan showing multiple metastases in the liver; and C: Representative immunohistochemical staining of the metastatic jugular tumor: HE, cancer cells show positive staining for Syn in the cytoplasm, and positive staining for S100 in the cytoplasm and nucleus (magnification × 100).