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Washington University Experience | NEOPLASM (SELLAR) | TTF-1-positive sellar tumor - Granular cell Tumor | 3D1 Granular cell tumor, infundibulum (Case 3) SYNaptophysin 2
3D1,2 Synaptophysin is completely absent from the tumor cells, a distinguishing feature from pituitary adenoma (SYN IHC)
