<prompt> All of the following about xanthogranulomatous pyelonephritis are true except:On cut section yellowish nodules are seenAssociated with tuberculosis.Foam cells are seenGiant cells are seen  <response>: Xanthogranulomatous pyelonephritis Chronic destructive granulomatous process of renal parenchyma Associated with Long-term urinary tract obstruction Infection E. coli Proteus mirabilis Pseudomonas Streptococcus faecalis Klebsiella Not associated with Tuberculosis 