A case of phantom pain and stump pain that was effectively controlled by ultrasound-guided ulnar and median peripheral nerve blocksShunya Sekiguchi, Yusuke Ishida, Yosuke Fujita, Mikiko Tomino, and Kiyoshige OhsetoDepartment of Anesthesiology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan