Simultaneous transarterial and transvenous coil embolization for a large aneurysmal-type renal arteriovenous fistula oleh Keita Nakayama, MD, Masashi Shimohira, MD, Kengo Ohta, MD, Kazushi Suzuki, MD, Taeko Goto, MD, Yusuke Sawada, MD, Yuta Shibamoto, MD