1 ANCA associated vasculitis and renal failure related to propylthiouracil and hyperthyroidism induced cholestasis in the same case Mehmet Tuncay, M.D. 1 Emine Kivrakoglu, M.D. 2 Itir Yegenaga, M.D. 3* Erkan Dervisoglu, M.D. 4 Deparments of Internal Medicine, Kocaeli University Medical School, Kocaeli, Turkey Common Address for all authors: Department of Internal Medicine Kocaeli University Medical School, 41380, Kocaeli, Turkey 1th author’s email; tuncaymehmet@hotmail.com 2th author’s email; eminekivrakoglu@gmail.com 3th author’s email; itiryegenaga@hotmail.com 4th author’s email; erkandervisoglu@gmail.com