<prompt> Michalis Gutmann bodies are seen inXanthogranulomatous pyelonephritisMalakoplakiaNail patella syndromeChronic pyelonephritis  <response>: Malakoplakia Etiology : Inflammation due to chronic bacterial infection, mostly by E.coli and proteus.Common in immunosuppressed individualsPathogenesis : Disturbed phagocytic activity due to overloaded bacteria within macrophagesSites : Urinary bladder, Colon, Lungs,Bones, Kidneys, prostate and epididymis Microscopic findings : Sheets of macrophages, giant cells and michaelis-gutmann bodies Michaelis gutmann bodies - Laminated mineralized concretions resulting from deposition of calcium In enlarged lysosomes of macrophages Ref: Robbins 8e p975 