Fig. 4From: Xantogranulomatous pyeloneprhritis in childrenWilms tumour. A 3-year-old girl with urinary infection. a Longitudinal power Doppler imaging shows an avascular area (white arrows) in lower pole of the left kidney (S spleen). b Contrast-enhanced fat-saturated T1-weighted axial image demonstrates hypointense mass (white star) with thick peripherical enhancement (white arrows). Surgery and histopathology proved a Wilms tumourBack to article page