BACKGROUND There are few reports of a fractured esophageal self-expanding metallic stent(SEMS)and the lasso retrieval technique,forming a guidewire loop by directing the guidewire back up the external stent for retrie...BACKGROUND There are few reports of a fractured esophageal self-expanding metallic stent(SEMS)and the lasso retrieval technique,forming a guidewire loop by directing the guidewire back up the external stent for retrieval.CASE SUMMARY A 74-year-old man complained of dysphagia approximately 6 mo after radical resection of esophageal cancer.Benign anastomotic stenosis was diagnosed,and a 20 mm in diameter and 60 mm in length esophageal covered SEMS was inserted after repeated balloon dilatation.About 13.5 mo after stenting,dysphagia recurred and esophagography showed severe stenosis above the proximal stent and stent removal was performed.One-third of the stent was removed and the fractured stent remained in the proximal esophagus.A suction tube was introduced through the guidewire and then the guidewire was grabbed,acting like a“lasso”on tightening.The remaining fractured stent was successfully removed by slowly pulling back the guidewire,with no fragments of stent wires retained.CONCLUSION The guidewire lasso technique is a simple,effective method of removing esophageal SEMS in rare cases of stent fracture.展开更多
Covered self-expandable metal stents were developed to overcome tumor in-growth through the metal mesh.Stent migration is one of their malfunctions.Recently,the partially covered wallflex stent(PCWS) was developed wit...Covered self-expandable metal stents were developed to overcome tumor in-growth through the metal mesh.Stent migration is one of their malfunctions.Recently,the partially covered wallflex stent(PCWS) was developed with flared ends to prevent migration However,difficulty has been reported in its removal.We describe the removal of a PCWS embedded in mucosal hyperplasia at the uncovered proximal flared end,visualized by using SpyGlass cholangioscopy.展开更多
文摘BACKGROUND There are few reports of a fractured esophageal self-expanding metallic stent(SEMS)and the lasso retrieval technique,forming a guidewire loop by directing the guidewire back up the external stent for retrieval.CASE SUMMARY A 74-year-old man complained of dysphagia approximately 6 mo after radical resection of esophageal cancer.Benign anastomotic stenosis was diagnosed,and a 20 mm in diameter and 60 mm in length esophageal covered SEMS was inserted after repeated balloon dilatation.About 13.5 mo after stenting,dysphagia recurred and esophagography showed severe stenosis above the proximal stent and stent removal was performed.One-third of the stent was removed and the fractured stent remained in the proximal esophagus.A suction tube was introduced through the guidewire and then the guidewire was grabbed,acting like a“lasso”on tightening.The remaining fractured stent was successfully removed by slowly pulling back the guidewire,with no fragments of stent wires retained.CONCLUSION The guidewire lasso technique is a simple,effective method of removing esophageal SEMS in rare cases of stent fracture.
文摘Covered self-expandable metal stents were developed to overcome tumor in-growth through the metal mesh.Stent migration is one of their malfunctions.Recently,the partially covered wallflex stent(PCWS) was developed with flared ends to prevent migration However,difficulty has been reported in its removal.We describe the removal of a PCWS embedded in mucosal hyperplasia at the uncovered proximal flared end,visualized by using SpyGlass cholangioscopy.
