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We aimed to define the clinical and genetic characteristics of this syndrome in the Spanish population and to identify new genes potentially associated with the disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      We reviewed the clinical data collected through a specific questionnaire in a series of 145 Spanish patients with a phenotypic features compatible with PHTS and performed molecular characterization through several approaches including next generation sequencing and whole exome sequencing (WES). Macrocephaly, mucocutaneous lesions, gastrointestinal polyposis and obesity are prevalent phenotypic features in PHTS and help predict the presence of a\n                      <jats:italic>PTEN<\/jats:italic>\n                      germline variant in our population. We also find that PHTS patients are at risk to develop cancer in childhood or adolescence. Furthermore, we observe a high frequency of variants in exon 1 of\n                      <jats:italic>PTEN<\/jats:italic>\n                      , which are associated with renal cancer and overexpression of\n                      <jats:italic>KLLN<\/jats:italic>\n                      and\n                      <jats:italic>PTEN<\/jats:italic>\n                      . Moreover, WES revealed variants in genes like\n                      <jats:italic>NEDD4<\/jats:italic>\n                      that merit further research.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study expands previously reported findings in other PHTS population studies and makes new contributions regarding clinical and molecular aspects of PHTS, which are useful for translation to the clinic and for new research lines.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s13023-021-02079-7","type":"journal-article","created":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T09:03:58Z","timestamp":1646039038000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Considerations on diagnosis and surveillance measures of PTEN hamartoma tumor syndrome: clinical 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