Diagnostic yield of NanoString nCounter FusionPlex profiling in soft tissue tumors

Wangzhao Song, Inge Platteel, Albert J. H. Suurmeijer, Leon C. van Kempen*

*Corresponding author voor dit werk

    OnderzoeksoutputAcademicpeer review

    12 Citaten (Scopus)
    192 Downloads (Pure)

    Samenvatting

    Diagnostic histopathology of soft tissue tumors can be troublesome as many entities are quite rare and have overlapping morphologic features. Many soft tissue tumors harbor tumor-defining gene translocations, which may provide an important ancillary tool for tumor diagnosis. The NanoString nCounter platform enables multiplex detection of pre-defined gene fusion transcripts in formalin-fixed and paraffin-embedded tissue. A cohort of 104 soft tissue tumors representing 20 different histological types was analyzed for the expression of 174 unique gene fusion transcripts. A tumor-defining gene fusion transcript was detected in 60 cases (58%). Sensitivity and specificity of the NanoString assay calculated against the result of an alternative molecular method were 85% and 100%, respectively. Highest diagnostic coverage was obtained for Ewing sarcoma, synovial sarcoma, myxoid liposarcoma, alveolar rhabdomyosarcoma, and desmoplastic small round cell tumor. For these tumor types, the NanoString assay is a rapid, cost-effective, sensitive, and specific ancillary screening tool for molecular diagnosis. For other sarcomas, additional molecular testing may be required when a translocation transcript is not identified with the current 174 gene fusion panel.

    Originele taal-2English
    Pagina's (van-tot)318-324
    Aantal pagina's7
    TijdschriftGenes Chromosomes & Cancer
    Volume59
    Nummer van het tijdschrift5
    Vroegere onlinedatum21-jan.-2020
    DOI's
    StatusPublished - 31-jan.-2020

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