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Washington University Experience | NEOPLASM (SELLAR) | Pituitary Adenoma - Pituitary Neuroendocrine Neoplasm | Corticotroph | 4A1 PA, ACTH, CR (Case 4) H&E 100X 4

Case 4 History---- [60yo male with a sellar mass on MRI. Clinical presentation and endocrine work up consistent with Cushing's disease. ---- 4A1,2 An intraoperative squash preparation demonstrates an unusual rim at the margins of each cell resembling a thin Crooke’s hyaline change. (H&E)

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