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Washington University Experience | NEOPLASM (SELLAR) | Pituitary Adenoma - Pituitary Neuroendocrine Neoplasm | Corticotroph | 17A1 PIT basophil inv (Case 17) H&E whole mount copy

Case 17 History ---- [95yo female with Alzheimer disease and argyrophilic grain disease] ---- 17A1-5 In this patient there is a proliferation of basophils into the neurohypophysis which is designated basophil invasion. In this case the involvement is more extensive than the typical basophil invasion. The question of a systemic or pituitary neoplasm giving rise to this appearance was considered and rejected. The tongues of basophils have no mitotic activity and a systemic neuroendocrine tumor was never established

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