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  1. Article

    Open Access

    Jaundice caused by protrusion of a hepatic cyst into common bile duct that was resolved by choledochoscopic needle-knife electrotomy: a case report

    Hepatic cysts are the most frequent, innocuous, space-occupying lesions of the liver. The majority of solitary liver cysts are nonsymptomatic. When liver cysts reach a large size, there are some complications,...

    Cheng Zhang, Yue-Feng Ma, Yu-Long Yang in BMC Gastroenterology (2018)

  2. Article

    Open Access

    The modified pancreatic stent system for prevention of post-ERCP pancreatitis: a case-control study

    Prophylactic pancreatic stents after endoscopic retrograde cholangiopancreatography (ERCP) can help prevent post-ERCP pancreatitis. However most of the pancreatic stents need to be removed by another ERCP. The...

    Cheng Zhang, Yu-long Yang, Yue-feng Ma, Hong-wei Zhang, **g-yi Li in BMC Gastroenterology (2017)

  3. Article

    Open Access

    Choledochoscopic high-frequency needle-knife electrotomy for treatment of anastomotic strictures after Roux-en-Y hepaticojejunostomy

    Anastomotic stricture is a complex and substantial complication following Roux-en-Y hepaticojejunostomy. Initially, endoscopic and percutaneous approaches are often attempted, but the gold standard remains sur...

    Yu-long Yang, Cheng Zhang, ** Wu, Yue-feng Ma, **g-yi Li in BMC Gastroenterology (2016)