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Washington University Experience | NEOPLASM (SELLAR) | TTF-1-positive sellar tumor - Granular cell Tumor | 1C1 Granular Cell Tumor (Case 1) 1 CD68 WM
The same area as in 1A1 stained for CD68, a marker specific to lysosomes but not to a specific cell lineage shows striking involvement of the GCT (CD68 IHC)