Fig. 3From: Ectopic Cushing’s syndrome associated with a pheochromocytoma in a dog: a case reportImmunohistochemical examinations for chromogranin A and synaptophysin in the pheochromocytoma and adrenal cortex. The neoplastic cells show strong and diffuse positive staining. The adrenal cortex shows negative staining. (a) Chromogranin A. (b) SynaptophysinBack to article page