期刊
BEST PRACTICE & RESEARCH CLINICAL ENDOCRINOLOGY & METABOLISM
卷 25, 期 1, 页码 1-17出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.beem.2010.06.007
关键词
short stature; growth; growth hormone; GH1; GHRHR; IGF1; GHR; STAT5B; IGFALS; IGFIR; SHOX
After a proper medical history, growth analysis and physical examination of a short child, followed by radiological and laboratory screening, the clinician may decide to perform genetic testing. We propose several clinical algorithms that can be used to establish the diagnosis. GH1 and GHRHR should be tested in children with severe isolated growth hormone deficiency and a positive family history. A multiple pituitary dysfunction can be caused by defects in several genes, of which PROP1 and POU1F1 are most common. GH resistance can be caused by genetic defects in GHR, STAT5B, IGF1, IGFALS, which all have their specific clinical and biochemical characteristics. IGF-1 resistance is seen in heterozygous defects of the IGF1R. If besides short stature additional abnormalities are present, these should be matched with known dysmorphic syndromes. If no obvious candidate gene can be determined, a whole genome approach can be taken to check for deletions, duplications and/or uniparental disomies. (C) 2010 Elsevier Ltd. All rights reserved.
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