Triple X Syndrome

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Claus Højbjerg Gravholt - One of the best experts on this subject based on the ideXlab platform.

  • changes in the cohort composition of turner Syndrome and severe non diagnosis of klinefelter 47 XXX and 47 Xyy Syndrome a nationwide cohort study
    Orphanet Journal of Rare Diseases, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P < 0.0001), KS (P = 0.02), and Double Y (P = 0.03) increased during the study period whereas the incidence of 45,X TS decreased (P = 0.0006). The incidence of Triple X was stable (P = 0.22). The prevalence of TS is higher than previously identified, and the karyotypic composition of the TS population is changing. Non-diagnosis is eXtensive among KS, Triple X and Double Y, whereas all TS seem to become diagnosed. The diagnostic activity has increased among TS with other karyotypes than 45,X as well as among KS and Double Y.

  • Changes in the cohort composition of turner Syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY Syndrome: a nationwide cohort study
    BMC, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Abstract Background Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). Methods This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. Results The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P 

Anne Skakkebæk - One of the best experts on this subject based on the ideXlab platform.

  • changes in the cohort composition of turner Syndrome and severe non diagnosis of klinefelter 47 XXX and 47 Xyy Syndrome a nationwide cohort study
    Orphanet Journal of Rare Diseases, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P < 0.0001), KS (P = 0.02), and Double Y (P = 0.03) increased during the study period whereas the incidence of 45,X TS decreased (P = 0.0006). The incidence of Triple X was stable (P = 0.22). The prevalence of TS is higher than previously identified, and the karyotypic composition of the TS population is changing. Non-diagnosis is eXtensive among KS, Triple X and Double Y, whereas all TS seem to become diagnosed. The diagnostic activity has increased among TS with other karyotypes than 45,X as well as among KS and Double Y.

  • Changes in the cohort composition of turner Syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY Syndrome: a nationwide cohort study
    BMC, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Abstract Background Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). Methods This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. Results The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P 

Agnethe Berglund - One of the best experts on this subject based on the ideXlab platform.

  • changes in the cohort composition of turner Syndrome and severe non diagnosis of klinefelter 47 XXX and 47 Xyy Syndrome a nationwide cohort study
    Orphanet Journal of Rare Diseases, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P < 0.0001), KS (P = 0.02), and Double Y (P = 0.03) increased during the study period whereas the incidence of 45,X TS decreased (P = 0.0006). The incidence of Triple X was stable (P = 0.22). The prevalence of TS is higher than previously identified, and the karyotypic composition of the TS population is changing. Non-diagnosis is eXtensive among KS, Triple X and Double Y, whereas all TS seem to become diagnosed. The diagnostic activity has increased among TS with other karyotypes than 45,X as well as among KS and Double Y.

  • Changes in the cohort composition of turner Syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY Syndrome: a nationwide cohort study
    BMC, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Abstract Background Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). Methods This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. Results The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P 

Mette Hansen Viuff - One of the best experts on this subject based on the ideXlab platform.

  • changes in the cohort composition of turner Syndrome and severe non diagnosis of klinefelter 47 XXX and 47 Xyy Syndrome a nationwide cohort study
    Orphanet Journal of Rare Diseases, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P < 0.0001), KS (P = 0.02), and Double Y (P = 0.03) increased during the study period whereas the incidence of 45,X TS decreased (P = 0.0006). The incidence of Triple X was stable (P = 0.22). The prevalence of TS is higher than previously identified, and the karyotypic composition of the TS population is changing. Non-diagnosis is eXtensive among KS, Triple X and Double Y, whereas all TS seem to become diagnosed. The diagnostic activity has increased among TS with other karyotypes than 45,X as well as among KS and Double Y.

  • Changes in the cohort composition of turner Syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY Syndrome: a nationwide cohort study
    BMC, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Abstract Background Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). Methods This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. Results The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P 

Simon Chang - One of the best experts on this subject based on the ideXlab platform.

  • changes in the cohort composition of turner Syndrome and severe non diagnosis of klinefelter 47 XXX and 47 Xyy Syndrome a nationwide cohort study
    Orphanet Journal of Rare Diseases, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P < 0.0001), KS (P = 0.02), and Double Y (P = 0.03) increased during the study period whereas the incidence of 45,X TS decreased (P = 0.0006). The incidence of Triple X was stable (P = 0.22). The prevalence of TS is higher than previously identified, and the karyotypic composition of the TS population is changing. Non-diagnosis is eXtensive among KS, Triple X and Double Y, whereas all TS seem to become diagnosed. The diagnostic activity has increased among TS with other karyotypes than 45,X as well as among KS and Double Y.

  • Changes in the cohort composition of turner Syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY Syndrome: a nationwide cohort study
    BMC, 2019
    Co-Authors: Agnethe Berglund, Mette Hansen Viuff, Anne Skakkebæk, Simon Chang, Kirstine Stochholm, Claus Højbjerg Gravholt
    Abstract:

    Abstract Background Knowledge on the prevalence of seX chromosome abnormalities (SCAs) is limited, and delayed diagnosis or non-diagnosis of SCAs are a continuous concern. We aimed to investigate change over time in incidence, prevalence and age at diagnosis among Turner Syndrome (TS), Klinefelter Syndrome (KS), Triple X Syndrome (Triple X) and Double Y Syndrome (Double Y). Methods This study is a nationwide cohort study in a public health care system. The Danish Cytogenetic Central Registry (DCCR) holds information on all karyotypes performed in Denmark since 1961. We identified all individuals in the DCCR with a relevant SCA during 1961–2014; TS: n = 1156; KS: n = 1235; Triple X: n = 197; and Double Y: n = 287. From Statistics Denmark, which holds an eXtensive collection of data on the Danish population, complete data concerning dates of death and migrations in and out of Denmark were retrieved for all individuals. Results The prevalence among newborns was as follows: TS: 59 per 100,000 females; KS: 57 per 100,000 males; Triple X: 11 per 100,000 females; and Double Y: 18 per 100,000 males. Compared with the eXpected number among newborns, all TS, 38% of KS, 13% of Triple X, and 18% of Double Y did eventually receive a diagnosis. The incidence of TS with other karyotypes than 45,X (P 

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