Diffuse Xanthogranulomatous Pyelonephritis in Children: an Unrecognized Variant
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Xanthogranulomatous pyelonephritis in childhood has been thought to exist only in focal form. We encountered 2 cases of diffuse xanthogranulomatous pyelonephritis in children and have found 3 others reported in the literature, making it necessary to change this concept. The essential radiologic and pathologic differences between focal and diffuse xanthogranulomatous pyelonephritis are reviewed.
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