Fig. 5

Immunohistochemistry of paraganglioma with SDHB gene mutation. The same patient presented in Fig. 2. The tumor in right retroperitoneal cavity had PASS Score ≥ 4 and GAPP Score with moderately to poorly differentiation, and showed the positive reaction for anti-SDHA and anti-Nrf2 antibodies, but not for anti-SDHB antibody. The patient is alive with disease-free for 57 months