2019
DOI: 10.1038/s41436-018-0271-6
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Mosaic Turner syndrome shows reduced penetrance in an adult population study

Abstract: Our results suggest that the clinical management of women with 45,X/46,XX mosaicism should be minimal, particularly those identified incidentally.

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Cited by 92 publications
(79 citation statements)
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“…Women over the age of 50 years with less than 5% 45,X cells are excluded from the diagnosis of Turner syndrome, because 45,X mosaicism may develop in older women as part of the aging process (Machiela et al, ). There is currently insufficient evidence to withhold routine surveillance from Turner syndrome individuals with even low levels of mosaicism, because the long‐term clinical outcomes of these women are not well defined (Prakash et al, ; Tuke et al, ; Tuke et al, ). With increased research, this approach may be modified.…”
Section: Geneticsmentioning
confidence: 99%
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“…Women over the age of 50 years with less than 5% 45,X cells are excluded from the diagnosis of Turner syndrome, because 45,X mosaicism may develop in older women as part of the aging process (Machiela et al, ). There is currently insufficient evidence to withhold routine surveillance from Turner syndrome individuals with even low levels of mosaicism, because the long‐term clinical outcomes of these women are not well defined (Prakash et al, ; Tuke et al, ; Tuke et al, ). With increased research, this approach may be modified.…”
Section: Geneticsmentioning
confidence: 99%
“…A recent study characterized the prevalence of X chromosome aneuploidy in a population of 244,848 women from the UK Biobank using SNP array data (Tuke et al, ). The prevalence was almost 4 times higher than expected, although the majority had a 45,X/46,XX mosaic karyotype.…”
Section: Epidemiologymentioning
confidence: 99%
“…data from case reports and large biobank projects, additional in vitro functional studies, and improved computational and structural predictors [13,[23][24][25][26].…”
Section: Plos Geneticsmentioning
confidence: 99%
“…El síndrome de Turner (ST) es un trastorno genético que consiste en la ausencia completa o parcial del segundo cromosoma sexual y se caracteriza por fenotipo femenino, talla baja, infantilismo sexual y amenorrea primaria sin afectación del cociente intelectual (1). El ST afecta a una de cada 2.500 recién nacidas (2), y constituye la anomalía de los cromosomas sexuales más frecuente y la única monosomía completa compatible con la vida, aunque solo sobrevive el 1 % de los embriones con este diagnóstico (3,4). El 60 % de las pacientes presentan una monosomía X completa, y se expresa con la fórmula 45X; entre el 10 y el 20 % presentan alteraciones estructurales como duplicaciones del brazo largo del cromosoma X, deleciones y cromosomas en anillo; y hasta el 40 % de las pacientes tienen mosaicismos, es decir, tienen dos o más poblaciones de células con distinto genotipo, originadas a partir de un mismo cigoto (45,X/46,XX -45,X/47,XXX/46,XX -45,X/46,XY).…”
Section: Introductionunclassified