The reason why nonindigenous patients have more severe lesions and in greater number is not clear. It can be postulated that nonindigenous people were more exposed to the vector biting since they were living in more infected areas and that during a long period of time, a mild immunity might have developed in indigenous people.
Introduction: For patients with advanced NSCLC, cytologic samples may be the only diagnostic specimen available for molecular profiling. Although both rapid and comprehensive assessment are essential in this setting, an integrated multitest approach remains an important strategy in many laboratories, despite the risks and challenges when working with scant samples. In this study, we describe our experience and high success rate in using a multitest approach, focusing on the clinical validation and incorporation of ultrarapid EGFR testing using the Idylla system followed by comprehensive next-generation sequencing (NGS). Methods: Cytology samples received for routine molecular testing were included in this study. The performance characteristics of the EGFR Idylla assay were assessed; tissue suitability parameters and interpretation criteria to supplement automated mutation calling were established. The assay performance was monitored for 1 year, comparing the results with those of concurrent NGS testing by MSK-IMPACT (primarily) or MSK-AmpliSeq and MSK-Fusion solid panel in a subset of cases.
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