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Washington University Experience | NEOPLASMS (METASTASES) | Metastasis - to - Tumor | 1E3 Meningioma with SCLC metastasis (Case 1) TTF-1 5
Thyroid transcription factor 1 (TTF1) is a homeodomain-containing nuclear transcription factor which is expressed in the forebrain, thyroid and lung. TTF-1 is expressed in up to 90% of pulmonary small cell carcinomas.
