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. 2016 Jan 22;14:19. doi: 10.1186/s12957-016-0771-2

Fig. 2.

Fig. 2

Pathology slides of the resected specimen with different stains. a Hematoxylin and eosin staining demonstrating the classic Zellballen pattern of paraganglioma (HE, ×400). b The chief cells showed positive staining to NSE (IHC, ×400). c The chief cells showed positive staining to Syn (IHC, ×400). d The sustentacular cells showed positive staining to S-100 (IHC, ×400)