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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Mod Pathol. 2020 May 26;33(11):2186–2197. doi: 10.1038/s41379-020-0574-4

Fig. 2. NRTC with predominantly follicular pattern associated with ETV6-NTRK3 and RBPMS-NTRK3 fusions.

Fig. 2

a–c Papillary thyroid carcinomas with ETV6-NTRK3 fusion showed multiple irregularly shaped tumor nodules infiltrating the thyroid (a). Growth pattern was mainly follicular with isolated foci of true papillae (black arrowhead) and hyperplasia-like epithelial folding (white arrowhead) (b). Tall cell features were focally seen in case 4 (c). d Papillary thyroid carcinomas with RBPMS-NTRK3 fusion had similar histologic appearance composed of well-formed neoplastic follicles and scattered papillae.