Genetic diagnosis of hereditary cancer syndromes offers the opportunity to establish more effective predictive and preventive measures for the patient and their families. The ultimate objective is to decrease cancer morbidity and mortality in high genetic risk families. Next Generation Sequencing (NGS) offers an important improvement in the efficiency of genetic diagnosis, allowing an increase in diagnostic yield with a substantial reduction in response times and economic costs. Consequently, the implementation of this new technology is a great opportunity for improvement in the clinical management of affected families. The aim of these guidelines is to establish a framework of useful recommendations for planned and controlled implementation of NGS in the context of hereditary cancer. These will help to consolidate the strengths and opportunities offered by this technology, and minimise the weaknesses and threats which may derive from its use. The recommendations of international societies have been adapted to our environment, taking the Spanish context into account at organisational and juridical levels. Forty-one statements are grouped under six headings: clinical and diagnostic utility, informed consent and genetic counselling pre-test and post-test, validation of analytical procedures, results report, management of information and distinction between research and clinical context. This guide has been developed by the Spanish Association of Human Genetics (AEGH), the Spanish Society of Laboratory Medicine (SEQC-ML) and the Spanish Society of Medical Oncology (SEOM).
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© 2018 Elsevier España, S.L.U.