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Washington University Experience | NEOPLASM (SELLAR) | Pituitary Adenoma - Pituitary Neuroendocrine Neoplasm | Corticotroph | 4B PA, ACTH, CR (Case 4) ACTH
An ACTH stain shows positive immunoreactive staining in most tumor cells and, in some, a circumferential band around the nucleus excluding neurosecretory granules c/w Crooke’s hyaline change. (ACTH IHC)
