TRK fusions

TRK fusions are seen in many solid tumours of children and adults and have targeted drugs.^[1]

General

Notes:

The TRK genes are tropomyosine kinase receptors.
Multiple fusion partners for each gene.
Testing: RNA-based next generation sequencing or immunohistochemistry (limited sensitivity).^[2]

↑ ^1.0 ^1.1 Drilon, A.; Laetsch, TW.; Kummar, S.; DuBois, SG.; Lassen, UN.; Demetri, GD.; Nathenson, M.; Doebele, RC. et al. (02 2018). "Efficacy of Larotrectinib in TRK Fusion-Positive Cancers in Adults and Children.". N Engl J Med 378 (8): 731-739. doi:10.1056/NEJMoa1714448. PMID 29466156.
↑ Hechtman, JF.; Benayed, R.; Hyman, DM.; Drilon, A.; Zehir, A.; Frosina, D.; Arcila, ME.; Dogan, S. et al. (Nov 2017). "Pan-Trk Immunohistochemistry Is an Efficient and Reliable Screen for the Detection of NTRK Fusions.". Am J Surg Pathol 41 (11): 1547-1551. doi:10.1097/PAS.0000000000000911. PMID 28719467.
↑ Lei, Y.; Chiosea, SI. (Jun 2012). "Re-evaluating historic cohort of salivary acinic cell carcinoma with new diagnostic tools.". Head Neck Pathol 6 (2): 166-70. doi:10.1007/s12105-011-0312-9. PMID 22127547.
↑ Vasudev, P.; Onuma, K. (Dec 2011). "Secretory breast carcinoma: unique, triple-negative carcinoma with a favorable prognosis and characteristic molecular expression.". Arch Pathol Lab Med 135 (12): 1606-10. doi:10.5858/arpa.2010-0351-RS. PMID 22129193.
↑ Sheng, WQ.; Hisaoka, M.; Okamoto, S.; Tanaka, A.; Meis-Kindblom, JM.; Kindblom, LG.; Ishida, T.; Nojima, T. et al. (Mar 2001). "Congenital-infantile fibrosarcoma. A clinicopathologic study of 10 cases and molecular detection of the ETV6-NTRK3 fusion transcripts using paraffin-embedded tissues.". Am J Clin Pathol 115 (3): 348-55. doi:10.1309/3H24-E7T7-V37G-AKKQ. PMID 11242790.