Current State of Molecular Cytology in Thyroid Nodules: Platforms and Their Diagnostic and Theranostic Utility

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  • Hannoush, Zeina C.
    • Other Affiliation: University of Miami
  • Ruiz-Cordero, Roberto
    • Other Affiliation: University of Miami
  • Jara, Mark
    • Other Affiliation: University of Miami
  • Kargi, Atil Y.
    • Affiliation: School of Medicine, Department of Neurosurgery
Abstract
  • The high prevalence of thyroid nodules and increased availability of neck ultrasound have led to an increased incidence of diagnostic thyroid fine needle aspirations, with approximately 20% yielding indeterminate results. The recent availability of molecular tests has helped guide the clinical management of these cases. This paper aims to review and compare three main commercially available molecular cytology platforms in the U.S.—Afirma GSC, Thyroseq GC, and ThyGeNEXT + ThyraMIR. Sequential improvements of the Afirma GSC and Thyroseq GC tests have increased positive and negative predictive values, sensitivity, and specificity. Comparative studies revealed similar diagnostic performance between these tests, with considerations for factors such as cost and processing time. Thyroseq GC provides detailed genomic information and specific management recommendations. ThyGeNEXT + ThyraMIR, though less studied, presents promising results, particularly in miRNA analysis for weak driver mutations. Challenges in interpreting results include variations in reporting and the evolving nature of testing platforms. Questions persist regarding cost-effectiveness and the utility of ultrasound characteristics in selecting candidates for molecular testing. While molecular testing has primarily served diagnostic purposes, advancements in understanding genetic alterations now offer therapeutic implications. FDA-approved options target specific genetic alterations, signaling a promising future for tailored treatments.
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  • Article
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  • In Copyright
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  • Attribution 4.0 International
Journal title
  • Journal of Clinical Medicine
Journal volume
  • 13
Journal issue
  • 6
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  • 1759
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  • English
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  • 2077-0383
Publisher
  • Multidisciplinary Digital Publishing Institute (MDPI)

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