TY - CHAP M1 - Book, Section TI - Chapter 67. Percutaneous Kidney Biopsy A1 - Lane, Jerome C. A2 - Goodman, Denise M. A2 - Green, Thomas P. A2 - Unti, Sharon M. A2 - Powell, Elizabeth C. PY - 2007 T2 - Current Procedures: Pediatrics AB - • Persistent or recurrent gross hematuria of glomerular origin (ie, not related to urinary infection or bladder abnormalities).• Persistent, nonorthostatic proteinuria.• Nephrotic syndrome.• Younger than 18 months or older than 8 years.• As a result of systemic disease (eg, systemic lupus erythematosus or other collagen vascular disease, vasculitis).• As a result of glomerulonephritis (low C3, hypertension, hematuria, or decreased renal function).• Corticosteroid-resistant nephrotic syndrome.• Acute nephritis.• As a result of systemic disease (systemic lupus erythematosus, vasculitis).• Normal C3.• Low C3 for > 8 weeks (unlikely to be postinfectious nephritis).• With nephrotic syndrome.• With deteriorating kidney function.• When the cause of acute kidney insufficiency is not apparent, consider obtaining a biopsy in selected cases:• Nephrotic syndrome.• Glomerulonephritis.• Vasculitis.• Systemic lupus erythematosus or other systemic disease.• Obtain biopsy in selected cases of chronic kidney insufficiency to establish diagnosis, prognosis, and risk of recurrence.• Follow up on prior biopsy in chronic kidney disease to establish disease progression, severity, and prognosis.• Kidney transplant with rise in creatinine. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=7004389 ER -