Case report : Xanthogranulomatous pyelonephritis - an unusual variety

Abstract

Sonography performed with 3.5 MHz curvilinear probe showed huge pyonephrotic left kidney occupying whole left hypochodrium and lumber region with gross dilatation of upper and mid calyces with thinned out cortex with internal echoes in it. Large staghorn calculus noted in left renal sinus with marked echogenic area noted surrounding the calculus and renal sinus was not dilated. Other multiple small calculi were noted in left lower calyx. (fig.2)