Levin TL, Abramson SJ, Burbige KA, Connor JP, Ruzal-Shapiro C, Berdon WE. Salt losing nephropathy simulating congenital adrenal hyperplasia in infants with obstructive uropathy and/or vesicoureteral reflux--value of ultrasonography in diagnosis.
Pediatr Radiol 1991;
21:413-5. [PMID:
1749673 DOI:
10.1007/bf02026675]
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Abstract
Salt losing nephropathy, occurring predominantly in male infants, has been reported in association with a spectrum of urologic diseases including obstructive uropathy and massive, infected vesicoureteral reflux (VUR). This has been called pseudo-hypoaldosteronism (PHA) or alternatively, pseudo salt-losing congenital adrenal hyperplasia (CAH), and is thought to reflect a tubular unresponsiveness to aldosterone. We report our experience with six cases, discuss one case in detail and review the 39 cases previously reported. A one month old male infant presented with a left upper quadrant mass. Signs and symptoms included vomiting, dehydration, hyponatremia and hyperkalemia. This suggested the diagnosis of CAH for which therapy was instituted. Ultrasonographic examination subsequently revealed the mass to be a urinoma in an infant with posterior urethral valve (PUV) and obstructive hydronephrosis.
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