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KMID : 1036920130180010036
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Annals of Pediatric Endocrinology & Metabolism
2013 Volume.18 No. 1 p.36 ~ p.39
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Gitelman syndrome combined with complete growth hormone deficiency
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Min Se-Ra
Cho Hyun-Seok
Ahn Sung-Yeon
Cheong Hae-Il
Hong Jea-Na
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Abstract
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Gitelman syndrome is a rare autosomal recessive hereditary salt-losing tubulopathy, that manifests as hypokalemic metabolic alkalosis, hypomagnesemia, and hypocalciuria. It is caused by mutations in the solute carrier family 12(sodium/chloride transporters), member 3 (SLC12A3) gene encoding the thiazide-sensitive sodium chloride cotransporter channel (NCCT) in the distal convoluted tubule of the kidney. It is associated with muscle weakness, cramps, tetany, vomiting, diarrhea, abdominal pain, and growth retardation. The incidence of growth retardation, the exact cause of which is unknown, is lower than that of Bartter syndrome. Herein, we discuss the case of an overweight 12.9-year-old girl of short stature presenting with hypokalemic metabolic alkalosis. The patient, on the basis of detection of a heterozygous mutation in the SLC12A3 gene and poor growth hormone (GH) responses in two provocative tests, was diagnosed with Gitelman syndrome combined with complete GH deficiency. GH treatment accompanied by magnesium oxide and potassium replacement was associated with a good clinical response.
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KEYWORD
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Gitelman syndrome, Sodium Chloride Symporters, Growth hormone
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