Publication year
2019Source
Pediatric Endocrinology Reviews, 16, 4, (2019), pp. 431-440ISSN
Publication type
Article / Letter to editor

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Organization
Paediatrics
Internal Medicine
Human Genetics
Health Evidence
Journal title
Pediatric Endocrinology Reviews
Volume
vol. 16
Issue
iss. 4
Page start
p. 431
Page end
p. 440
Subject
Radboudumc 10: Reconstructive and regenerative medicine RIHS: Radboud Institute for Health Sciences; Radboudumc 16: Vascular damage RIMLS: Radboud Institute for Molecular Life Sciences; Radboudumc 9: Rare cancers RIHS: Radboud Institute for Health SciencesAbstract
Variation in karyotype may be associated with the phenotype of patients with Turner syndrome (TS). Our objective was to identify these associations between karyotype and phenotype in TS patients. This study was part of the European multicentre dsd-LIFE study. We evaluated the associations between different karyotypes of TS patients and age at diagnosis, Turner stigmata, cardiac/renal involvement and gonadal function. Information was available for 328 TS patients. Participants had a monosomy 45,X (46%), mosaicism 45,X/46,XX (10%), karyotype with isochromosome (18%), or other karyotype (26%). The clinical signs of TS were the most severe in patients with monosomy 45,X and the least severe in patients with mosaicism 45,X/46,XX. Patients with isochromosome and y-material showed an intermediate phenotype. Despite the more severe features in patients with monosomy 45,X, the median age at diagnosis was only slightly lower compared to patients with other karyotypes, which suggests opportunities for improvement of knowledge and diagnostics.
This item appears in the following Collection(s)
- Academic publications [227437]
- Faculty of Medical Sciences [86157]
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