[P31] 胆道　症例

[P-148] Two cases of IPNB contrast-enhanced EUS and peroral cholangioscopy were useful for preoperative diagnosis

^○Yuki Tanisaka¹, Hirotoshi Iwano¹, Shomei Ryozawa¹, Kumiko Taba¹, Hiroko Sato¹, Kosuke Sudo¹, Shin Arai¹, Yumi Mashimo¹, Masayasu Aikawa², Isamu Koyama², Hiroshi Yamaguchi³ (1.Saitama Medical University International Medical Center, Dept. of Gastroenterology, Saitama, Japan, 2.Saitama Medical University International Medical Center, Gastroenterological Surgery, Saitama, Japan, 3.Saitama Medical University International Medical Center, Department of Pathology, Saitama, Japan)