Seong Ho Choi

..To share our surgical experience and the outcome of limited pancreatic head resection for the management of branch duct intraductal papillary mucinous neoplasm (IPMN)...

..In this study, we have put together our accumulated experience with cystic manifestations of various solid tumors of the pancreas...

..In this study, we analyzed the clinical and pathological features of biliary intraductal papillary neoplasms (IPN-B) according to the location of the tumors...

..The objective of this study was to evaluate periodontal regeneration/maturation following application of rhGDF-5/β-TCP using an established periodontal defect model and a 24-week healing interval...

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..The objective of this study was to evaluate periodontal wound healing/regeneration following the application of rhGDF-5 on a particulate beta-tricalcium phosphate (beta-TCP) carrier using an established defect model...

..The cisplatin-based combination chemotherapy showed moderate activity and a favorable toxicity profile as a frontline treatment for patients with advanced adenocarcinoma of the ampulla of Vater...

..To evaluate clinical outcomes and safety of adjuvant chemoradiation therapy (CRT) with capecitabine after resection of pancreatic adenocarcinoma at a single institution...

..The aim of this study was to evaluate the effect of biphasic calcium phosphates (BCP) on the healing of circumferential bone defects surrounding dental implants...

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..This study was conducted to evaluate the healing of surgically created circumferential gaps around non-submerged-type implants according to varying size and healing periods in dogs...

..The aim of this study was to determine prognostic factors for survival after resection of pancreatic adenocarcinoma (PC) and to compare outcomes after surgery alone versus surgery plus adjuvant therapy...

..This study histologically evaluated the influence of cortical perforation of grafted autogenous block bone (ABB) and/or the recipient bed at different healing periods in dogs...

..This study evaluated the effects of cyanoacrylate-combined calcium phosphate (CCP) as a candidate for a barrier membrane substitute in guided bone regeneration and the space maintenance capability of CCP placed in a dehiscence defect model...

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..Although endoscopic resection can provide a wide tumor resection with a negative resection margin, it is not yet recommended as a curative therapy for ampulla of Vater cancer...

..The aims of this study were to isolate human alveolar bone-derived stromal cells (hABCs) obtained during implant osteotomy, and to evaluate osteogenic differentiation capacity of hABCs...

..Our aim was to devise a prognostic model for advanced pancreatic cancer based on clinical parameters...

..Our findings show that RGS16 and FosB are underexpressed in pancreatic cancer with lymph node metastasis and associated with reduced survival, suggesting that RGS16 and FosB might be prognostic markers for pancreatic cancer...

..The aim of this study was to characterize patterns of recurrence and to identify the factors that influence recurrence and the efficacy of adjuvant therapy after the curative resection of GBC...

..7), and adjuvant gemcitabine treatment (P=0.005; relative risk: 3.5; 95% CI: 1.2-10.6). Combined therapy with capecitabine CCRT was well tolerated and seems to be a promising regimen, in terms of response, survival, and adverse effects...

..To analyse the association between pancreatogenic diabetes and the volume of the remnant pancreas after pancreaticoduodenectomy and to identify clinicopathologic factors correlated with pancreatogenic diabetes...

..This study evaluated radiographically the integration and volume maintenance of grafted autogenous block bone under various cortical bone perforation conditions in dogs...

..The beneficial effects of filling in 2-mm gap defects around implants were attributed to the use of CaP bone substitute...

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..The authors conducted a hospital-based case-control study to evaluate the role of Clonorchis sinensis infection as a risk factor for the development of gallstones in Korea...

..The standard chemotherapeutic regimen is still to be defined, however. We performed a phase II study of combination chemotherapy with capecitabine and cisplatin in these patients to evaluate efficacy and toxicity of the regimen...

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..This study was conducted to devise a prognostic model for patients undergoing simultaneous liver and colorectal resection...

..We tried to uncover the characteristics and gene expressions of IPMNs that coexist with other extrapancreatic gastrointestinal cancers...

..However, no definite treatment guideline (with respect to surgery or observation) has been issued on the management of branch duct type IPMN...

..The technique presented could constitute an alternative surgical approach to performing crown lengthening; it does not induce functional or esthetic deformities, especially in the anterior region...

..To identify preoperative predictive factors associated with malignancy of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas...

..Intraductal papillary neoplasm of the bile ducts (IPN-B) is considered an uncommon tumor. The purpose of this study was to evaluate the clinical, radiological, and histopathological characteristics of IPN-B, and its prognosis...

..The purpose of this study was to reassess the clinical impact of PET/CT for the detection of distant metastasis of pancreatic cancer...

..6 (mural nodule [0 or 1]) + 32.2 (elevated serum CEA [0 or 1]) + 0.6 (cyst size [mm]). Here we present a scoring formula for prediction of malignancy or invasiveness of Br-IPMN which can be used to determine a proper treatment strategy...

..The aims of this study were to validate the ISGPF classification and to analyze the risk factors of pancreatic leakage after duct-to-mucosa pancreatojejunostomy by a single surgeon...

..37-0.99; P = 0.49). CONCLUSIONS: For the long-term survival of patients with pancreatic ductal adenocarcinoma, complete excision is the most important therapeutic option, and adjuvant therapy is a significant contributing factor...

..In addition, we also analyzed the correlation between CA19-9 response and clinical outcomes...

..We undertook this study to analyze clinical features and surgical outcome of en bloc resections of the right side colon cancer directly invading duodenum and/or pancreatic head...

..We reviewed our experience with colorectal cancer patients with both liver and lung resections to determine the efficacy of surgical resections...

..We identified the predictive factors associated with long-term survival after surgical resection for malignant nonfunctioning endocrine tumors...

..The purpose of this study was to evaluate the longitudinal extents of HC using transpapillary intraductal ultrasonography (IDUS) for optimal surgical planning...

..The inhibitions of these microRNAs repressed cell proliferation of pancreatic cancer cell lines. (Korean J Gastroenterol 2011;58:190-200)...

..We studied to identify the clinicopathological features, treatment outcome, and prognostic factors for patients with gastrointestinal and hepatopancreaticobiliary neuroendocrine tumor (NET)...

..Pancreatic β-cell function indexes have been suggested using the oral glucose tolerance test (OGTT). Here, we investigated whether β-cell function index from the OGTT reflects pancreatic β-cell area in Korean patients...

..6; 95% CI=1.294-5.66). CONCLUSIONS: Radiologic evidence of C. sinensis, history of eating raw freshwater fish and positive serologic result for C. sinensis were significantly associated with CC, including extrahepatic CC...

..731). This result suggests that maspin expression may be involved in dysplasia-carcinoma sequence and the early steps of GB carcinogenesis...

..To compare survival between bile duct segmental resection (BDSR) and pancreaticoduodenectomy (PD) for treating distal bile duct cancers...

..Therefore, it is not safe just to monitor the branch duct type IPMT without operation. Surgery, whenever possible, is clearly the gold standard for treatment of IPMT, regardless of duct type...

..The purpose of this study was to find the factors predicting the neoplastic polyp of gallbladder and analyze the size criteria associated with malignancy...

..To evaluate the effect of vertical and periosteal-releasing incisions (PRI) on the extension of the buccal flap in a trapezoidal flap design...

..The natural history of PDA and the factors that affect patient outcome remain poorly defined...

..To evaluate effects of radiotherapy (RT) after surgery for extrahepatic bile duct (EHBD) cancer...

..We have identified several genes that may be tumor markers for gallbladder cancer. The close genetic similarity found between the early and advanced gallbladder cancers may help explain the poor prognosis of this disease...

..In summary, delayed amelioration of glucose intolerance was induced by autologous ITx after partial Px, even with a small number of islets...

..We investigated the clinical and radiological features of focal mass-forming autoimmune pancreatitis (FMF AIP) to help physicians avoid performing unnecessary surgery because of an improper diagnosis...

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..The role of the radiofrequency ablation (RFA) in treatment of solitary liver metastasis has not been established yet. Both hepatic resection (HR) and RFA have been used increasingly in the treatment of colorectal liver metastases...

..044) were the risk factors that increased the frequency of pancreatic fistula. Therefore, the routine use of octreotide after a pancreaticoduodenectomy should be avoided until a worldwide consensus is established...

..CONCLUSIONS: Moderate or poor cellular differentiation and lymph node metastasis maybe independent poor prognostic factors for resectable dCC...

..001 and p = 0.001, respectively). Our results suggest that the pathologic subtype classification and the newly proposed diagnostic criteria for minimal invasion may also be useful to predict prognosis of IPMNs of the pancreas...

..Our aim was to evaluate the predictive factors for survival and disease-free survival of patients with resected intrahepatic cholangiocarcinoma (ICC)...

..The present study presents a newly developed assessment and rating system and simulation model that can assist the teaching staffs to evaluate the surgical events and surgical skills of residents objectively...

..These results indicate that WSC modulates the properties of hPDLSCs, rendering them more suitable for cosmetic soft-tissue augmentation...

..The aim of this study was to elucidate the effect of a bovine hydroxyapatite/collagen (BHC) block in one-wall intrabony periodontal defects in dogs...

..The objective of our study was to compare the clinical features, radiologic findings, and clinical outcomes of IPN-B according to histologic subtype...

..001). CONCLUSIONS: Most of the periampullary cancers show hedgehog protein expression. In addition, hedgehog protein immunostainings shows stronger expression in ampulla of Vater cancers and in well-differentiated adenocarcinoma...

..To determine the clinical features and clinical outcomes of Korean adults treated surgically for choledochal cyst...

..To evaluate useful computed tomographic features to differentiate nonneoplastic and neoplastic gallbladder polyps 1 cm or bigger...

..The risk factors correlated with the post-operative recurrence of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas are not well established. The aim was to determine the risk factors of recurrence...

..The purpose of this study was to analyze clinicopathologic and surgical features and to determine what should be an adequate extent of resection for T1 gallbladder cancers...

..To identify risk factors for nonalcoholic steatohepatitis following pancreaticoduodenectomy, with a focus on factors related to pancreatic secretions...

..This study investigated the bone growth pattern in surgically created coronal defects with various depths around implants in dogs...

..To overcome this shortcoming, a pre-fabricated implant-retained stent was designed to apply vertical pressure on the labial flap and stabilize it in a bucco-apical direction to create a wide keratinized mucous zone...

..The purpose of this study was to preliminarily evaluate the influence of diabetes mellitus (DM) on periodontal tissue without establishment of periodontitis...

..The aim of this study is to understand the histological characteristics of periosteum and compare the native periosteum with the repaired periosteum after elevating flap or after surgical intervention with flap elevation...