{"title":"[Growth failure in a boy with Klinefelter syndrome and IUGR].","authors":"Alicja Korpysz, Mieczysław Szalecki","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Children born with a history of Intra-Uterine Growth Retardation (IUGR) may be susceptible for reduced growth velocity and growth deficiency. The causes of GH/IGF-1 resistance are unknown. Klinefelter syndrome is characterized by excessive growth, resulting from hypogonadism, open bone age and a prolonged growth.</p><p><strong>Objectives: </strong>The case of a 6-year-old boy with Klinefelter syndrome born with IUGR and deep growth deficiency was studied.</p><p><strong>A case report: </strong>A 6-year-old boy with birth weight 2300 g born of term in 38 Hbd is presented. The cariotype was 47XXY. The phenotype was typical for a child with IUGR. GH in the clonidin test was 37.4 microIU/ml, IGF-1 -- 111 ng/ml. Increased IGF-1 level from 178.1 ng/ml to 360.9 ng/ml was founded in the IGF-1 generation test.</p><p><strong>Conclusions: </strong>The cause of growth deficiency in this case could be GH/IGF-1 resistance.</p>","PeriodicalId":11550,"journal":{"name":"Endokrynologia, diabetologia i choroby przemiany materii wieku rozwojowego : organ Polskiego Towarzystwa Endokrynologow Dzieciecych","volume":"12 1","pages":"59-61"},"PeriodicalIF":0.0000,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Endokrynologia, diabetologia i choroby przemiany materii wieku rozwojowego : organ Polskiego Towarzystwa Endokrynologow Dzieciecych","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Background: Children born with a history of Intra-Uterine Growth Retardation (IUGR) may be susceptible for reduced growth velocity and growth deficiency. The causes of GH/IGF-1 resistance are unknown. Klinefelter syndrome is characterized by excessive growth, resulting from hypogonadism, open bone age and a prolonged growth.
Objectives: The case of a 6-year-old boy with Klinefelter syndrome born with IUGR and deep growth deficiency was studied.
A case report: A 6-year-old boy with birth weight 2300 g born of term in 38 Hbd is presented. The cariotype was 47XXY. The phenotype was typical for a child with IUGR. GH in the clonidin test was 37.4 microIU/ml, IGF-1 -- 111 ng/ml. Increased IGF-1 level from 178.1 ng/ml to 360.9 ng/ml was founded in the IGF-1 generation test.
Conclusions: The cause of growth deficiency in this case could be GH/IGF-1 resistance.
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