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Washington University Experience | NEOPLASM (SELLAR) | Pituitary Adenoma - Pituitary Neuroendocrine Neoplasm | Corticotroph | 7F PA CR (Case 7) KI67 10X
Ki-67 shows a proliferative index focally reaching 3.3%. ---- Comment: The collective morphological and immunohistochemical features are consistent with pituitary corticotrophic macroadenoma of Crooke cell type (Crooke cell adenoma).