<prompt> Which of the following statements about Xanthogranulomatous Pyelonephritis is not true?Foam cells are seenAssociated with TuberculosisYellow nodules are seenGiant cells may be seen  <response>: Xanthogranulomatous Pyelonephritis is an uncommon complications of UTI. It is frequently seen in patient with urinary tract obstruction. It is not associated with Tuberculosis. Ref: Stua G. Silverman, Richard H. Cohan, 2007, Chapter 6, Renal Infections, In the book, CT Urography: An Atlas, USA, Page 94; Smiths Urology, 16th Edition, Pages 213-14; Heptinstalls Pathology of The Kidney, 6th Edition, Page 1006 