Immunoexpression of TTF-1 and Ki-67 in a coexistent anaplastic and follicular thyroid cancer with rare long-life surviving
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We report the immunohistochemical diagnosis, including TTF-1 (thyroid transcription factor 1) and Ki-67, of a rare mixed thyroid neoplasm composed of minimally invasive well differentiated follicular areas and highly aggressive undifferentiated anaplastic area... ...
