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Endoscopic transcystic stent placement for an intrahepatic abscess due to gallbladder perforation

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World Journal of Gastroenterology 2007年第9期13卷 1458-1459页

作者： Myung Soo Kang Do Hyun park Ki Du Kwon Jeong Hoon park Suck-Ho Lee Hong-Soo Kim sang-heum park Sun-Joo Kim Division of Gastroenterology Department of Internal MedicineSoon Chun Hyang University Cheonan HospitalCheonan Korea

Perforation of the gallbladder with cholecystohepatic communication is a rare cause of liver abscess. Because it is a rare entity, the treatment modality has not been fully established. We report for the first time a patient with an intrahepatic abscess due to gallbladder perforation successfully treated by endoscopic stent placement into the gallbladder who had a poor response to continuous percutaneous drainage.

关键词： Liver abscess Gallbladder perforation Endoscopic stent placement Cholecystohepatic communication

Aortoduodenal fistula and aortic aneurysm secondary to biliary stent-induced retroperitoneal perforation

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World Journal of Gastroenterology 2008年第19期14卷 3095-3097页

作者： Tae Hoon Lee Do Hyun park Ji-Young park Suck-Ho Lee Il-Kwun Chung Hong Soo Kim sang-heum park Sun-Joo Kim Division of Gastroenterology Department of Internal MedicineSoonchunhyang University College of Medicine Division of Gastroenterology Department of Internal MedicineUniversity of Ulsan College of Medicine

Duodenal perforations caused by biliary prostheses are not uncommon, and they are potentially life threatening and require immediate treatment. We describe an unusual case of aortic aneurysm and rupture which occurred after retroperitoneal aortoduodenal fistula formation as a rare complication caused by biliary metallic stent-related duodenal perforation. To our knowledge, this is the first report describing a lethal complication of a bleeding, aortoduodenal fistula and caused by biliary metallic stent-induced perforation.

关键词： Stents Retroperitoneal perforation Aorticaneurysm Fistula

A pilot proof-of-concept study of a modified device for one-step endoscopic ultrasound-guided biliary drainage in a new experimental biliary dilatation animal model

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World Journal of Gastroenterology 2014年第19期20卷 5859-5866页

作者： Tae Hoon Lee Jun Hyuck Choi sang Soo Lee Hyun Deuk Cho Dong Wan Seo sang-heum park Sung Koo Lee Myung-Hwan Kim Do Hyun park Division of Gastroenterology Department of Internal MedicineSoonchunhyang University School of MedicineCheonan HospitalChungcheongnamdo 330-721South Korea Division of Gastroenterology Department of Internal MedicineUniversity of Ulsan College of MedicineSeoul 138-736South Korea Department of Pathology Soonchunhyang University School of MedicineCheonan HospitalChungcheongnam-do 330-721South Korea

AIM: To evaluate the technical feasibility of a modified tapered metal tip and low profile introducer for one-step endoscopic ultrasound (EUS)-guided biliary drainage (EUS-BD) in a new experimental biliary dilatation ... 详细信息

关键词： Endoscopic ultrasound Biliary drainage Biliary dilation Feasibility Complications

Primary endoscopic approximation suture under cap-assisted endoscopy of an ERCP-induced duodenal perforation

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World Journal of Gastroenterology 2010年第18期16卷 2305-2310页

作者： Tae Hoon Lee Byoung Wook Bang Jee In Jeong Hyung Gil Kim Seok Jeong Seon Mee park Don Haeng Lee sang-heum park Sun-Joo Kim Division of Gastroenterology Department of Internal MedicineSoon Chun Hyang University College of MedicineCheonan Hospital Division of Gastroenterology Department of Internal MedicineInha University School of Medicine Division of Gastroenterology Department of Internal MedicineChungbuk National University College of Medicine

Duodenal perforation during endoscopic retrograde cholangiopancreatography(ERCP) is a rare complication,but it has a relatively high mortality *** diagnosis and prompt management are key factors for the successful treatment of ERCP-related *** management of perforation can initially be conservative in cases resulting from sphincterotomy or guide wire ***,the current standard treatment for duodenal free wall perforation is surgical ***,several case reports of endoscopic closure techniques using endoclips,endoloops,or fully covered metal stents have been *** describe four cases of iatrogenic duodenal bulb or lateral wall perforation caused by the scope tip that occurred during ERCP in tertiary referral *** the cases were simply managed by endoclips under transparent capassisted *** on the available evidence and our experience,endoscopic closure was a safe and feasible method even for duodenoscope-induced *** results suggest that endoscopists may be more willing to use this treatment.

关键词： Duodenal perforation Endoscopic retrograde cholangiopancreatography Endoscopic therapy Endoclip

Endoscopic diverticulotomy with an isolated-tip needle-knife papillotome (Iso-Tome) and a fitted overtube for the treatment of a Killian-Jamieson diverticulum

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World Journal of Gastroenterology 2008年第42期14卷 6589-6592页

作者： Chang Kyun Lee Il-Kwun Chung Ji-Young park Tae Hoon Lee Suck-Ho Lee sang-heum park Hong-Soo Kim Sun-Joo Kim Division of Gastroenterology Department of Internal Medicine Soonchunhyang University College of Medicine Cheonan Hospital Cheonan Choongnam 330-721 South Korea

A Killian-Jamieson diverticulum （KID） is an unfamiliar and rare cervical esophageal diverticulum. This diverticulum originates on the anterolateral wall of the proximal cervical esophagus through a muscular gap （the Killian-Jamieson space） below the cricopharyngeal muscle and lateral to the longitudinal muscle of the esophagus. To date, only surgical treatment has been recommended for a symptomatic KJD due to its close proximity to the recurrent laryngeal nerve and the concern of possible nerve injury. Recently, traditional open surgery for a symptomatic KJD is being challenged by the development of new endoscopic techniques and devices. We present here a case of a symptomatic KID that was successfully treated with the flexible endoscopic diverticulotomy using two new devices. An isolated-tip needle-knife papillotome （Iso-Tome） was used for the dissection of the tissue bridge of the diverticulum. And a flexible overtube with a modified distal end （a fitted overtube） was used for adequate visualization of the tissue bridge of the diverticulum and protection of the surrounding tissue during dissection of the tissue bridge. Our successful experience suggests that the flexible endoscopic diverticulotomy with the use of appropriate endoscopicdevices can be a safe and effective method for the treatment of a symptomatic KJD.

关键词： Esophagus Diverticulum Killian-Jamieson diverticulum Endoscopy Diverticulotomy

Usefulness of magnifying endoscopy in post-endoscopic resection scar for early gastric neoplasm:A prospective short-term follow-up endoscopy study

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World Journal of Gastroenterology 2009年第3期15卷 349-355页

作者： Tae Hoon Lee Il-Kwun Chung Ji-Young park Chang Kyun Lee Suck-Ho Lee Hong Soo Kim sang-heum park Sun-Joo Kim Hyun-Deuk Cho Young Hwangbo Division of Gastroenterology Department of Internal MedicineSoonchunhyang University College of MedicineCheonan Hospital23-20 Bongmyung-dongCheonan330-721South Korea Department of Pathology Soonchunhyang University College of MedicineCheonan Hospital23-20 Bongmyung-dongCheonan330-721South Korea Department of Preventive Medicine Soonchunhyang University College of MedicineCheonan Hospital23-20 Bongmyung-dongCheonan330-721South Korea

AIM： To investigate the relationship between postendoscopic resection （ER） scars on magnifying endoscopy （ME） and the pathological diagnosis in order to validate the clinical significance of ME. METHODS： From January, 2007 to June, 2008, 124 patients with 129 post-ER scar lesions were enrolled. Mucosal pit patterns on ME were compared with conventional endoscopy （CE） findings and histological results obtained from targeted biopsies. RESULTS： CE findings showed nodular scars （53/129）, erythematous scars （85/129）, and ulcerative scars （4/129）. The post-ER scars were classified into four pit patterns of sulci and ridges on ME：（ Ⅰ ） 47 round; （Ⅱ） 54 short rod or tubular; （Ⅲ） 19 branched or gyrus-like;and （Ⅳ） 9 destroyed pits. Sensitivity and specificity were 88.9% and 62.5%, respectively, by the presence of nodularity on CE. Erythematous lesions were high sensitivity （100%）, but specificity was as low as 36.7%. The range of the positive predictive va ue （PPV） on CE was as low as 10.6%-25%. Nine type N pit patterns were diagnosed as tumor lesions, and 120 cases of type Ⅰ-Ⅲ pit patterns revealed non-neoplastic lesions. Thus, the sensitivity, specificity, and the PPV of ME were 100%. CONCLUSION： ME findings can detect the presence of tumor in post-ER scar lesions, and make evident the biopsy target site in short-term follow-up. Further large-scale and long-term studies are needed to determine whether ME can replace endoscopic biopsy.

关键词： Endoscopic mucosal resection Endoscopic submucosal dissection Magnifying endoscopy Pitpattern Scar

Ampullary adenomyoma presenting as acute recurrent pancreatitis

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World Journal of Gastroenterology 2007年第20期13卷 2892-2894页

作者： Tae-Hee Kwon Do Hyun park Kwang Yeon Shim Hyun-Deuk Cho Jeong Hoon park Suck-Ho Lee Il-Kwun Chung Hong-Soo Kim sang-heum park Sun-Joo Kim Division of Gastroenterology Department of Internal MedicineSoon Chun Hyang University Cheonan HospitalCheonanChoongnam 330-721Korea Division of Gastroenterology Department of PathologySoon Chun Hyang University Cheonan HospitalCheonanChoongnam 330-721Korea

Adenomyoma is a term generally applied to nodular lesions showing proliferation of both epithelial and smooth muscle components. Despite its benign nature,ampullary adenomyoma is usually presented as biliary obstruction. Most cases are misdiagnosed as carcinoma or adenoma by preoperative endoscopic or radiologic procedure. Therefore,it is frequently treated with extensive surgery. To our knowledge,this is the first reported case in English literature of adenomyoma located in the peripancreatic orifice resulting in intermittent pancreatic duct obstruction and recurrent pancreatitis diagnosed by the endoscopic piecemeal resection.

关键词： Ampulla Adenomyoma Acute recurrent pancreatitis Endoscopic resection

Small sphincterotomy combined with endoscopic papillary large balloon dilation versus sphincterotomy

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World Journal of Gastroenterology 2009年第34期15卷 4298-4304页

作者： Hyun Gun Kim Young Koog Cheon Young Deok Cho Jong Ho Moon Do Hyun park Tae Hoon Lee Hyun Jong Choi sang-heum park Joon Seong Lee Moon Sung Lee Institute for Digestive Research Digestive Disease Center Soonchunhyang University College of Medicine

AIM： To compare small sphincterotomy combined with endoscopic papillary large balloon dilation （SES ＋ ELBD） and endoscopic sphincterotomy （EST） for large bile duct stones. METHODS： We compared prospectively SES ＋ ELBD （group A, n = 27） with conventional EST （group B, n = 28） for the treatment of large bile duct stones （≥ 15 mm）. When the stone could not be removed with a normal basket, mechanical lithotripsy was performed. We compared the rates of complete stone removal with one session and application of mechanical lithotripsy. RESULTS： No significant differences were observed in the mean largest stone size （A： 20.8 mm, B： 21.3 mm）, bile duct diameter （A： 21.4 turn, B： 20.5 ram）, number of stones （A： 2.2, B： 2.3）, or procedure time （A： 18 min, B： 19 rain） between the two groups. The rates of complete stone removal with one session was 85% in group A and 86% in group B （P = 0.473）. Mechanical lithotripsy was required for stone removal in nine of 27 patients （33%） in group A and nine of 28 patients （32%, P = 0.527） in group ***： SES ＋ ELBD did not show significant benefits compared to conventional EST, especially for the removal of large （≥ 15 mm） bile duct stones.

关键词： Sphincterotomy Endoscopic Balloon dilatation Cholelithiasis Lithotripsy

Modified rendezvous intrahepatic bile duct cannulation technique to pass a PTBD catheter in ERCP

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World Journal of Gastroenterology 2010年第42期16卷 5388-5390页

作者： Tae Hoon Lee sang-heum park Sae Hwan Lee Chang-Kyun Lee Suck-Ho Lee Il-Kwun Chung Hong Soo Kim Sun-Joo Kim Division of Gastroenterology Department of Internal MedicineSoon Chun Hyang University College of MedicineCheonan Hospital23-20 Bongmyung-dongCheonan-siChungcheongnam-do330-721South Korea

The rendezvous procedure combines an endoscopic technique with percutaneous transhepatic biliary drainage(PTBD).When a selective common bile duct cannulation fails,PTBD allows successful drainage and retrograde access for subsequent rendezvous ***,rendezvous procedures such as the PTBDassisted over-the-wire cannulation method,or the parallel cannulation technique,may be available when a bile duct cannot be selectively *** selective intrahepatic bile duct(IHD) cannulation fails,this modified rendezvous technique may be a feasible *** report the case of a modified rendezvous technique,in which the guidewire was retrogradely passed into the IHD through the C2 catheter after end-to-end contact between the tips of the sphincterotome and the C2 catheter at the ampulla's orifice,in a 39-year-old man who had been diagnosed with gallbladder carcinoma with a metastatic right IHD *** this procedure may be a feasible and timesaving technique.

关键词： Endoscopic retrograde cholangiopancreatography Intrahepatic bile duct Rendezvous technique