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KMID : 1040420200240020131
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Childhood Kidney Diseases
2020 Volume.24 No. 2 p.131 ~ p.137
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A Case of Nephrogenic Diabetes Insipidus with a Rare X-linked Recessive Mutation in an Infant with Developmental and Growth Retardation Tracked by the Korean National Health Screening Program
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Kim Min-Ji
Cho Jae-Young
Park Ji-Sook
Park Eun-Sil
Seo Ji-Hyun
Lim Jae-Young
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Abstract
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Nephrogenic diabetes insipidus (DI) is a rare disease in which the patient cannot concentrate urine despite appropriate or high secretion of antidiuretic hormone. Congenital nephrogenic DI is caused by the arginine vasopressin receptor 2 (AVPR2) or aquaporin 2 (AQP2) gene mutation; the AVPR2 genetic mutation accounts for 90% of the cases. National health screening for infants and children was launched in 2007 in order to prevent accidents and promote public health in infants and children in Korea. The program has been widely used as a primary clinical service in Korea. We treated an infant with faltering growth and delayed development detected by the National health screening program, and diagnosed the problem as nephrogenic DI caused by a rare missense mutation of c.490T>C on the AVPR2 gene. This case can be a good educational nephrogenic DI with a rare AVPR2 mutation, which was well screened and traced by the national health screening program for infants and children in Korea.
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KEYWORD
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Nephrogenic Diabetes Insipidus, Arginine Vasopressin Receptor 2, National Health Screening Program
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