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Washington University Experience | NEOPLASM (SELLAR) | TTF-1-positive sellar tumor - Granular cell Tumor | 8B8 TTF1 Granular Cell Tumor (Case 8) H&E 100X 2
Many cells show a granular eosinophilic quality to the cytoplasm. Mitoses are rare. Areas of posterior pituitary with abundant piloid gliosis and Rosenthal fibers are seen.
