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Washington University Experience | NEOPLASM (SELLAR) | TTF-1-positive sellar tumor - Granular cell Tumor | 2E1 Granular Cell Tumor, Sella Region (Case 2) TTF1 20X
2E1,2 Tumor cell nuclei are immunoreactive for the transcription factor (TTF1) a finding which is shared with pituicytoma and spindle cell oncocytoma.
