Resolution of ampullary stone impaction with duodenoscopy-guided direct frequency-doubled double-pulse Nd:YAG laser lithotripsy after the failure of rescue lithotripsy
Xiao Bo Cai, MD, PhD,
Yue Qing Qian, MD,
Wei Gao, MD,
Ling Ling Zhang, MD,
Xin Jian Wan, MD, PhD
Affiliations
Xiao Bo Cai, MD, PhD
Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
Yue Qing Qian, MD
Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
Wei Gao, MD
Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
Ling Ling Zhang, MD
Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
Xin Jian Wan, MD, PhD
Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China