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KMID : 1040420180220020091
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Childhood Kidney Diseases
2018 Volume.22 No. 2 p.91 ~ p.96
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A Case of Infantile Nephrotic Syndrome associated with Neuroblastoma
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Kim Soo-Hyun
Park Hyun-Min
Lee Joo-Hoon
Kim Hye-Ry
Go Heoun-Jeong
Kim Dae-Yeon
Park Young-Seo
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Abstract
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Nephrotic syndrome in the first year of life, characterized by renal dysfunction and proteinuria, is associated with a heterogeneous group of disorders. These disorders are often related to genetic mutations, but the syndrome can also be caused by a variety of other diseases. We report an infant with nephrotic syndrome associated with a neuroblastoma. A 6-month-old girl was admitted with a 10% weight loss over 10 days and nephrotic-range proteinuria. She was ill-looking, and her blood pressure was higher than normal for her age. Her cystatin-C glomerular filtration rate was decreased, and levels of plasma renin, aldosterone, and catecholamines were elevated. Renal ultrasonography and abdominal computed tomography showed a retroperitoneal prevertebral mass encasing both renal arteries and the left renal vein. The mass was partially resected laparoscopically, and the pathologic diagnosis was neuroblastoma. Findings on a simultaneous renal biopsy were unremarkable. The patient was treated with chemotherapy and several anti-hypertensive drugs, including an alpha blocker. Two months later, the mass had decreased in size and the proteinuria and hypertension were gradually improving. In an infant with abnormal renin-angiotensin system activation, severe hypertension, and nephrotic-range proteinuria, neuroblastoma can be considered in the differential diagnosis.
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KEYWORD
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Nephrotic syndrome, Neuroblastoma, Infant, Hyertension
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