Clinical importance of renal calyceal microlithiasis in children

Abstract

BackgroundRenal calyceal microlithiasis refers to a hyperechogenic spot in renal calyces <3mm in diameter detected on renal sonography. These spots possibly represent the first step in calculus formation. The aim of this study was to analyze the clinical presentation, predisposing factors, prognosis and clinical importance of these hyperechogenic spots in renal calyces, renal calyceal microlithiasis, during childhood.