• Clinical Endoscopy
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• v.51 no.6
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• pp.596-599
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• 2018

An 89-year-old man was referred to our hospital for treatment of hepatolithiasis causing recurrent cholangitis. He had undergone a prior Whipple procedure. Computed tomography demonstrated left-sided hepatolithiasis. First, we conducted peroral direct cholangioscopy (PDCS) using an ultraslim endoscope. Although PDCS was successfully conducted, it was unsuccessful in removing all the stones. The stones located in the B2 segment were difficult to remove because the endoscope could not be inserted deeply into this segment due to the small size of the intrahepatic bile duct. Next, we substituted the endoscope with an upper gastrointestinal endoscope. After positioning the endoscope, the SpyGlass digital system (SPY-DS) was successfully inserted deep into the B2 segment. Upon visualizing the residual stones, we conducted SPY-DS-guided electrohydraulic lithotripsy. The stones were disintegrated and completely removed. In cases of PDCS failure, a treatment strategy using the SPY-DS can be considered for patients with hepatolithiasis after a Whipple procedure.

• Journal of Chest Surgery
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• v.38 no.6 s.251
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• pp.445-449
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• 2005

The management of failure of colonic graft or corrosive stricture with impaired colonic circulation continues to be a challenge to surgeons. We present four cases of complicated corrosive esophageal stricture, which were successfully treated using jejunal free graft. As the initial surgical treatment, three patients underwent colonic interposition, and one underwent Whipple's procedure due to panperitonitis. Ore patient underwent transposition of jejunal free patch graft, two underwent interposition of jejunal free graft, and one underwent esophagojejunocolojejunostomy using jejunal free graft. All patients did not show dysphagia after long term follow-up. Complex esophageal reconstruction with jejunal free graft was performed successfully and long term functional outcome was good.

• Advances in pediatric surgery
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• v.16 no.1
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• pp.18-24
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• 2010

Pancreaticoduodenectomy is the treatment of choice for adult periampullary lesions. However there has been no studies on the clinical outcomes of pancreaticoduodenectomy in children. To evaluate the clinical outcomes, records of 13 patients who underwent pancreaticoduodenectomy, from 1989 to 2009, at Seoul National University Children's Hospital were reviewed. Mean follow up period was 83 (2-204) months, the male to female ratio was 1:3.3, and the mean age was 11 (2-14) years. Ten patients underwent PPPD and 3 patients had Whipple's operation. The postoperative diagnosis included solid pseudopapillary tumor (9), cavernous hemangioma (1), pseudocyst (1), benign cyst (1), pancreatic disruption (1). Two patients developed postoperative adhesive ileus and among them one patient required operative intervention. Four patients required pancreatin supplementation due to steatorrhea and other gastrointestinal symptoms. There were no postoperative mortality during the follow up period and no evidence of recurrence in SPT patients. This study demonstrates that the pancreaticoduodenectomy procedure in children is not only feasible but also safe, with no mortality and an acceptable complication rate.

• Radiation Oncology Journal
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• v.14 no.2
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• pp.129-136
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• 1996

Purpose : To evaluate the effectiveness and tolerance of patients of external beam radiotherapy for carcinoma of the extrahepatic biliary system (EHBS) including gall bladder (GB) and extrahepatic bile ducts (EHBD) and to define the role of radiotherapy for these tumors. Methods and Materials : We retrospectively analyzed the records of 43 patients with carcinoma of the EHBS treated with external beam radiotherapy at our institution between April, 1986 and Julr, 1994. Twenty three patients had GB cancers and remaining 20 patients did EHBD cancers. Of those 23 GB cancers, 2 had Stage II, 12 did Stage III and 9 did Stage IV disease, respectively. Male to female ratio was 11 to 12. Fifteen patients underwent radical surgery with curative intent and 8 patients did biopsy and bypass surgery alone All of the patients except for 3 patients were treated with 4500 cGy or higher doses postoperatively Follow up periods ranged from 11 to 82 months. Of those 20 EHBD cancers, one had Stage I, 2 did Stage II, 10 did Stage III and 7 did Stage IV disease, respectively. Male to female ratio was 16 to 4 Sixteen patients underwent Whipple's procedure or resection and drainage with curative aim and remaining 4 patients did bypass surgery alone Postoperatively 16 patients were irradiated with 4500 cGy or higher doses and 4 patients with 3180 to 4140 cGy Follow up periods ranged from 8 to 34 months. Results : Overall median survival time of patients with GB cancer was 11 months. Median survival time for Patients with Stage III and IV disease were 14 months and 5 months, respectively. Corresponding two rear survival rates were $36\%$(4/11) and $13\%$(1/8), respectively Those who underwent surgery with curative intent showed significantly better survival at 12 months than those who underwent bypass surgery alone($67\%$ vs $13\%$). None of the patients died of treatment related complications Median survival time for entire group of 20 EHBD patients was 10 months Median survivals of 10 Stage III and 7 Stage IV disease were 10 and 8 months, respectively. Two patients who underwent Whipple's procedure had 11 and 14 month survival and those treated with resection and drainage showed median survival of 10 month. Conclusion : Postoperative external beam radiotherapy for carcinoma of the extrahepatic biliary system is well tolerated and might improve survival of patients, especially those with resectable lesions with microscopic or gross residual disease after surgery.

• Journal of Trauma and Injury
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• v.25 no.4
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• pp.115-121
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• 2012

Purpose: Severe pancreaticoduodenal injuries are relatively uncommon, but may result in high morbidity and mortality, especially when management is not optimal, and determining the appropriate treatment is often difficult. The objective of this study was to review our experience and to evaluate the role of a pancreaticoduodenectomy (PD) in treatment of pancreaticoduodenal injuries. Methods: We performed a retrospective review of 16 patients who underwent an emergency PD at our hospital for severe pancreaticoduodenal injury from 1990 to 2011. Demographic data, clinical manifestations, mechanism and severity of the injury, associated injuries, postoperative complications and outcomes were reviewed. Results: The mean age of the 16 patients was $45{\pm}12years$ ($mean{\pm}standard$ deviation), and 15(93.8%) patients were male. All patients underwent an explorative laparotomy after a diagnosis using abdominal computed tomography. Almost all patients were classified as AAST grade higher than III. Thirteen(83.3%) of the 16 patients presented with blunt injuries; none presented with a penetrating injury. Only one(6.3%) patients had a combined major vascular injury. Fifteen patients underwent a standard Whipple's operation, and 1 patient underwent a pylorus-preserving pancreaticoduodenectomy. Two of the 16 patients required an initial damage-control procedure; then, a PD was performed. The most common associated injured organs were the small bowel mesentery(12, 75%) and the liver(7, 43.8%). Complications were intraabdominal abscess(50%), delayed gastric emptying(37.5%), postoperative pancreatic fistula(31.5%), and postoperative hemorrhage (12.5%). No mortalities occurred after the PD. Conclusion: Although the postoperative morbidity rate is relatively higher, an emergency PD can be perform safely without mortality for severe pancreaticoduodenal injuries. Therefore, an emergency PD should be considered as a life-saving procedure applicable to patients with unreconstructable pancreaticoduodenal injuries, provided that is performed by an experienced hepatobiliary surgeon and the patient is hemodynamically stable.