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. Author manuscript; available in PMC: 2024 Jun 24.
Published in final edited form as: J Am Soc Cytopathol. 2022 Nov 18;12(2):105–111. doi: 10.1016/j.jasc.2022.11.002

Table 2.

Summary of EIF1AX mutation outcomes.15,16

EIF1AX mutation type Pathologic correlates
Isolated nonsplice FA, TFND
Isolated splice FA, TFND, FC
EIF1AX and other mutation(s) TFND, FA, FC, NIFTP, PTC, AC
EIF1AX and RAS mutations only TFND, FA, NIFTP, PTC
EIF1AX, RAS, TERT, and TP53 mutations AC

Abbreviations: AC, anaplastic carcinoma; FA, follicular adenoma; FC, follicular carcinoma; NIFTP, noninvasive follicular thyroid neoplasm with papillary-like nuclear features; PTC, papillary thyroid carcinoma; TFND, thyroid follicular nodular disease.