Fig. 4
From: Predictive biomarkers in thyroid cancer in the current molecular-morphology paradigm
Example of a PTC with NTRK1 fusion. There is multinodular growth (A), oncocytic features (C) and frequent lymphatic invasion (B). Immunohistochemistry shows strong cytoplasmic staining on neoplastic cells (D). Images from the Archives of Anatomic Pathology Department, Rede D’OR São Luiz