Fig. 3
From: Ectopic sphenoidal ACTH-secreting adenoma revealed by 11C Methionine PET scan: case report
Histological and immunohistochemical analysis of the sphenoidal mass after surgical excision. A Hematoxylin and eosin staining of a tumor section, showing cells with sparsely granulated slightly basophilic cytoplasm. B Immunohistochemistry performed for ACTH, showing diffuse intra-cytoplasmic ACTH staining in the majority of tumoral cells. C Immunohistochemistry performed for T-Pit, revealing nuclear staining of the tumor cells. (Bar = 10 μm)