J Korean Soc Pediatr Nephrol.
2010 Apr;14(1):84-88.
Significant Proteinuria Caused by Posterior Nutcracker Phenomenon
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- 1Department of Pediatrics, CHA University, CHA Bundang Medical Center, Bundang, Korea. naesusana@yahoo.co.kr
Abstract
- Posterior nutcracker phenomenon (PNP) was found to be the cause of significant proteinuria in a 10-year-old female. PNP was documented by Doppler ultrasonography and abdominal 3D CT as a cause of her proteinuria. Despite treatment with ACE inhibitor for several months, her persistent and progressive proteinuria lead us to perform a left renal biopsy, which revealed no significant finding except for focal effacement of foot processes. We speculate that nutcracker phenomenon can induce not only orthostatic proteinuria but also significant proteinuria by focal effacement of foot processes.
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