Department of Diagnostic Radiology, Chungnam National University School of Medicine
ABSTRACT
PURPOSE : To evaluate whether sono-guided percutaneous automated gun biopsy is also useful in pediatricpatients with renal diseases. MATERIAL & METHODS : In the prone position of twenty pediatric patients with renalparenchymal diseases, percutaneous biopsy was done through lateral aspect of the lower pole of left kidney withautomated biopsy gun under the guidance of ultrasonography. The biopsy needle was either of 18 or 20 gauge. Theobtained core of renal tissue was examined with light, immunofluorescent or electron microscope by the renalpathologist. RESULTS : In 18 among 20 patients, adequate renal tissue core sufficient to be pathologicallydiagnosed was obtained. The histologic findings were as follows : IG A nephropathy (n = 2), lupus nephritis (n =2), minimal change glomerulonephritis (n = 5), membranoproliferative glomerulonephritis (n = 3), mesangialproliferative glomeru-lonephritis (n = 1), diffuse proliferative glomerulonephritis (n = 3), focalglomerulo-sclerosis (n = 1), membranous glomerulopathy (n = 1). No significant complications occurred during orafter the biopsy. CONCLUSION : Sono-guided percutaneous renal biopsy using automated biopsy gun is also useful todiagnose renal parenchymal diseases without significant complications in pediatric patients.
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