<p>A&#xa0;human genetic report is not merely a&#xa0;laboratory result but a&#xa0;medically interpreted response to a&#xa0;specific clinical question. This article describes and explains the typical components and information content of genetic reports, with a&#xa0;focus on findings derived from currently widely used molecular genetic analyses based on high-throughput sequencing technologies. The scope and methodology of a&#xa0;genetic analysis determine both the types of genetic alterations that can be detected and the diagnostic gaps that may remain. Core elements of a&#xa0;human genetic report include the designation of the identified genetic variant(s), the classification of their pathogenicity, and the interpretation of their relevance in relation to the clinical question. The nomenclature of genetic variants follows the recommendations of the Human Genome Variation Society (HGVS). Identified variants are assigned to pathogenicity categories according to standardized criteria as recommended by the American College of Medical Genetics and Genomics and the Association for Molecular Pathology (ACMG/AMP classification). The assessment of causal relevance with respect to the clinical question ultimately depends on the medical and scientific evaluation of the findings within the given clinical context. Methodological and interpretative limitations must be taken into account, particularly in cases of negative or inconclusive results, and may lead to recommendations for further diagnostic investigations.</p>

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Typische Elemente und Aussagen eines genetischen Befunds

  • Martin Zenker

摘要

A human genetic report is not merely a laboratory result but a medically interpreted response to a specific clinical question. This article describes and explains the typical components and information content of genetic reports, with a focus on findings derived from currently widely used molecular genetic analyses based on high-throughput sequencing technologies. The scope and methodology of a genetic analysis determine both the types of genetic alterations that can be detected and the diagnostic gaps that may remain. Core elements of a human genetic report include the designation of the identified genetic variant(s), the classification of their pathogenicity, and the interpretation of their relevance in relation to the clinical question. The nomenclature of genetic variants follows the recommendations of the Human Genome Variation Society (HGVS). Identified variants are assigned to pathogenicity categories according to standardized criteria as recommended by the American College of Medical Genetics and Genomics and the Association for Molecular Pathology (ACMG/AMP classification). The assessment of causal relevance with respect to the clinical question ultimately depends on the medical and scientific evaluation of the findings within the given clinical context. Methodological and interpretative limitations must be taken into account, particularly in cases of negative or inconclusive results, and may lead to recommendations for further diagnostic investigations.