FOCAL XANTHOGRANULOMATOUS PYELONEPHRITIS SIMULATING MALIGNANCY IN CHILDREN

Xantogranulomatous pyelonephritis is a severe chronic form of renal pa renquimal infection that usually results in diffuse renal destruction. An unusual case of xanthogranulomatous pyelonephritis in a child is r eported which presented as a focal mass without calculus in a function ing kidney and was diagnosed as a renal tumor.