What does this research mean for the field?

Three novel NTRK2 fusion transcript variants co-occur in a patient with medullary thyroid carcinoma, expanding the known spectrum of NTRK2 rearrangements. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

March 3, 2026Discover OncologyOpen Access

Three novel concomitant NTRK2 fusions in medullary thyroid carcinoma with diagnostic implications

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Authors

JCJunjie ChuSir Run Run Shaw Hospital NZNan ZhaoDian Diagnostics (China)QYQingxiang YuDian Diagnostics (China)

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Implication

This case reveals three novel NTRK2 fusion variants in medullary thyroid carcinoma, suggesting new diagnostic markers for targeted therapy.

Key Points

The study aims to characterize novel NTRK2 fusion variants in medullary thyroid carcinoma and explore their diagnostic potential.
Targeted RNA sequencing was performed to identify fusion transcripts.
Novel NTRK2 fusion transcript variants were validated using Sanger sequencing.
Integrative Genomics Viewer (IGV) was utilized to visualize supporting reads.
Three novel NTRK2 fusion transcript variants were identified: GTF2I-NTRK2 (G9:N13), GTF2I-NTRK2 (G9:N14), and NTRK2-GTF2I (N12:G11).
Two of the fusions contained shared 5’ GTF2I sequences with different NTRK2 3’ partners.
The co-occurrence of all three variants in a single patient is a first report in medullary thyroid carcinoma.

Cite This Study

Chu et al. (2026) studied this question.

synapsesocial.com/papers/69a67f06f353c071a6f0ac6e https://doi.org/10.1007/s12672-026-04736-4

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Implication

This case reveals three novel NTRK2 fusion variants in medullary thyroid carcinoma, suggesting new diagnostic markers for targeted therapy.

Three novel concomitant NTRK2 fusions in medullary thyroid carcinoma with diagnostic implications

Discussion

Member takes

Implication

Key Points

Cite This Study

Three novel concomitant NTRK2 fusions in medullary thyroid carcinoma with diagnostic implications

Discussion

Member takes

Implication

Key Points

Cite This Study

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