期刊
EUROPEAN JOURNAL OF PEDIATRICS
卷 171, 期 3, 页码 521-529出版社
SPRINGER
DOI: 10.1007/s00431-011-1600-9
关键词
Karyotype; Testosterone; Cardiac anomalies; Renal anomalies; Learning disability
类别
We hypothesized that because 45,X/46,XY (X/XY) children share a cell line with Turner syndrome (TS), they also share co-morbidities described in TS. In addition, the presence of the Y chromosome in brain and in other body tissues would influence their function. On the basis of our findings, we aimed to establish optimal procedures for clinical evaluation, management, and follow-up of these children. Sixteen X/XY children were evaluated and managed at a single institution as part of standard clinical care as established at the time between 1969 and 2009. In January of 2005, we started retrospective record review of all X/XY children in combination with cohort follow-up (of those who had not reached adult height) until August of 2009. The study included review of clinical presentation, clinical characteristics, diagnostic measures, radiologic studies, karyotype studies, psycho-endocrinology evaluation, and growth-promoting treatments. There was no specific intervention. Phenotype reflected cell line distribution. The presence of 45,X cell line explains how X/XY children have abnormalities similar to girls with TS, while presence of Y chromosome explains why they have tomboyish behavior. In conclusion, these children require clinical evaluation similar to that performed in female children with TS, including cardiovascular, renal, endocrine, growth and development, autoimmune, psychological, and educational evaluation. Specific management needs to be tailored to the presence of Y chromosomal material.
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