Fig. 1From: Atypical focal xanthogranulomatous pyelonephritis without clinical symptoms presenting as infiltrative renal cancer: a case report and literature reviewContrast-enhanced CT scan showing a 6.0 cm × 4.9 cm heterogeneous enhancing mass with hypodense areas within it in the middle of right kidney (a, b and c). Intravenous pyelogram showing absence of dilatation or filling defects in the right renal calyces or pelvis (d)Back to article page