School ager with acute right lower quadrant pain Pediatric Imaging Genitourinary June 11, 2025March 12, 2025 Coronal (above) and axial (below) CT with contrast of the abdomen shows three peripheral wedge shaped areas of low density in the middle and lower right kidney. The diagnosis was acute pyelonephritis of the right kidney. Related Published June 11, 2025March 12, 2025