Molekulare Pathologie des kolorektalen Karzinoms

作者: J.H.L. Neumann , A. Jung , T. Kirchner

DOI: 10.1007/S00292-015-0005-3

关键词: DNA Mutational AnalysisContext (language use)OncologyInternal medicineMicrosatelliteColorectal cancerMutational statusWho classificationIn patientMedicineMicrosatellite instability

摘要: In recent years, several predictive and prognostic biomarkers have been established in colorectal cancer (CRC). The RAS-mutation status is widely applied the daily routine diagnostic as biomarker for treatment with EGFR-inhibitors. A BRAF- mutation has no value this context. detection of high-grade microsatellite instability (MSI-H) a response to 5-Fluoruracil-monotherapy. Prognostic CRC are MSI-status mutational BRAF. According current WHO classification poorly undifferentiated MSI-associated special morphological subtypes molecular graded depending on their MSI-status. BRAF-mutation context stability (MSS) associated very poor prognosis thus represents most aggressive subtype CRC. patients positive Bethesda criteria stepwise immunohistochemical scheme proposed.

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