Xantho granulomatous pyelonephritis presenting as migratory polyarthritis in 40 years old female in department of medicine in services hospital Lahore

We report a case of Xantho granulomatous pyelonephritis presenting with migratory polyarthritis in a 40 years old female patient. The patient presented to us with complaint of high grade fever and large joints pain and swelling. The diagnosis was confirmed with CT-scan abdomen and histopathology of specimen. Xantho granulomatous pyelonephritis is an unusual variant of chronic pyelonephritis. Fleeting arthritis is very rare presenting complaint of the disease