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- 저자 : Wooil Kim (검색결과 234 건)
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Kim Wooil,Lee Sang Min,Lee Jung Bok,Seo Joon Beom,Kim Hong Kwan,Kim Jhingook,Lee Ho Yun 대한영상의학회 2022 Korean Journal of Radiology Vol.23 No.3
Objective: To compare pneumonic-type invasive mucinous adenocarcinoma (pIMA) confined to a single lobe with clinical T2, T3, and T4 stage lung cancer without pathological node metastasis regarding survival after curative surgery and to identify prognostic factors for pIMA. Materials and Methods: From January 2010 to December 2017, 41 patients (15 male; mean age ± standard deviation, 66.0 ± 9.9 years) who had pIMA confined to a single lobe on computed tomography (CT) and underwent curative surgery were identified in two tertiary hospitals. Three hundred and thirteen patients (222 male; 66.3 ± 9.4 years) who had non-small cell lung cancer (NSCLC) without pathological node metastasis and underwent curative surgery in one participating institution formed a reference group. Relapse-free survival (RFS) and overall survival (OS) were calculated using the Kaplan–Meier method. Cox proportional hazard regression analysis was performed to identify factors associated with the survival of patients with pIMA. Results: The 5-year RFS and OS rates in patients with pIMA were 33.1% and 56.0%, respectively, compared with 74.3% and 91%, 64.3% and 71.8%, and 46.9% and 49.5% for patients with clinical stage T2, T3, and T4 NSCLC in the reference group, respectively. The RFS of patients with pIMA was comparable to that of patients with clinical stage T4 NSCLC and significantly worse than that of patients with clinical stage T3 NSCLC (p = 0.012). The differences in OS between patients with pIMA and those with clinical stage T3 or T4 NSCLC were not significant (p = 0.11 and p = 0.37, respectively). In patients with pIMA, the presence of separate nodules was a significant factor associated with poor RFS and OS {unadjusted hazard ratio (HR), 4.66 (95% confidence interval [CI], 1.95–11.11), p < 0.001 for RFS; adjusted HR, 4.53 (95% CI, 1.59–12.89), p = 0.005 for OS}. Conclusion: The RFS of patients with pIMA was comparable to that of patients with clinical stage T4 lung cancer. Separate nodules on CT were associated with poor RFS and OS in patients with pIMA.
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Kim, Hyeong Seok,Jang, Jin-Young,Han, Youngmin,Lee, Kyoung Bun,Joo, Ijin,Lee, Doo-Ho,Kim, Jae Ri,Kim, Hongbeom,Kwon, Wooil,Kim, Sun-Whe The Korean Surgical Society 2017 Annals of Surgical Treatment and Research(ASRT) Vol.93 No.4
<P><B>Purpose</B></P><P>Neoadjuvant treatment may provide improved survival outcomes for patients with borderline resectable pancreatic cancer (BRPC). The purpose of this study is to evaluate the clinical outcomes of neoadjuvant treatment and to identify prognostic factors.</P><P><B>Methods</B></P><P>Forty patients who met the National Comprehensive Cancer Network definition of BRPC and received neoadjuvant treatment followed by surgery between 2007 and 2015 were evaluated. Prospectively collected clinicopathological outcomes were analyzed retrospectively.</P><P><B>Results</B></P><P>The mean age was 61.7 years and the male-to-female ratio was 1.8:1. Twenty-six, 3, and 11 patients received gemcitabine-based chemotherapy, 5-fluorouracil, and FOLFIRINOX, respectively. The 2-year survival rate (2YSR) was 36.6% and the median overall survival (OS) was 20 months. Of the 40 patients, 34 patients underwent resection and the 2YSR was 41.2% while the 2YSR of patients who did not undergo resection was 16.7% (P = 0.011). The 2YSR was significantly higher in patients who had partial response compared to stable disease (60.6% <I>vs</I>. 24.3%, P = 0.038), in patients who did than did not show a CA 19-9 response after neoadjuvant treatment (40.5% <I>vs</I>. 0%, P = 0.039) and in patients who did than did not receive radiotherapy (50.8% <I>vs</I>. 25.3%, P = 0.036). Five patients had local recurrence and 17 patients had systemic recurrence with a median disease specific survival of 15 months.</P><P><B>Conclusion</B></P><P>Neoadjuvant treatment followed by resection is effective for BRPC. Pancreatectomy and neoadjuvant treatment response may affect survival. Effective systemic therapy is needed to improve long-term survival since systemic metastasis accounts for a high proportion of recurrence.</P>
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Kim, Hyeong Seok,Han, Youngmin,Kang, Jae Seung,Kim, Hongbeom,Kim, Jae Ri,Koon, Wooil,Kim, Sun‐,Whe,Jang, Jin‐,Young John WileySons Ltd 2018 Journal of hepato-biliary-pancreatic sciences Vol.25 No.2
<P>ConclusionRobot PD is comparable to open PD in early outcomes. Robot PD is safe and feasible and enables early recovery; indication for robot PD is expected to expand in the near future.</P>
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Wooil Kim,Daeun Kim,Sanggeun Back,Yong-Suk Lee,Afrouzossadat Hosseini Abari,Junehyung Kim 한국생물공학회 2019 Biotechnology and Bioprocess Engineering Vol.24 No.2
In this paper, we report removing heavy metal using Bacillus subtilis spore surface display system. We used CotE protein as an anchoring motif because of its high abundance and location in the outer coat layer. And we inserted His12 (double histidine 6 tag) at the C-terminal end of anchoring motif. The proper expression of CotEHis12 fusion protein (22.8 kDa) was confirmed by western blot. We confirmed the surface expression of the CotEHis12 fusion protein using flow cytometry. We tried Ni2+ and Cd2+ adsorption with recombinant spore DB104 (pCotE-His12) and DB104 spore. The amount of adsorbed Ni2+ was 18.2 nmol/mg for DB104 spore and 82.4 nmol/mg for DB104 (pCotE-His12) spore. In the case of Cd2+, the adsorbed amount was 32.6 nmol/mg for DB104 spore and 79.1 nmol/mg for DB104 (pCotE-His12) spore. This means that our spore displayed His12 system can be generally applied for the removal of various kind of heavy metals in the field.
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Hyeong Seok Kim,Jin-Young Jang,Youngmin Han,Kyoung Bun Lee,Ijin Joo,Doo-Ho Lee,Jae Ri Kim,Hongbeom Kim,Wooil Kwon,Sun-Whe Kim 대한외과학회 2017 Annals of Surgical Treatment and Research(ASRT) Vol.93 No.4
Purpose: Neoadjuvant treatment may provide improved survival outcomes for patients with borderline resectable pancreatic cancer (BRPC). The purpose of this study is to evaluate the clinical outcomes of neoadjuvant treatment and to identify prognostic factors. Methods: Forty patients who met the National Comprehensive Cancer Network definition of BRPC and received neoadjuvant treatment followed by surgery between 2007 and 2015 were evaluated. Prospectively collected clinicopathological outcomes were analyzed retrospectively. Results: The mean age was 61.7 years and the male-to-female ratio was 1.8:1. Twenty-six, 3, and 11 patients received gemcitabine-based chemotherapy, 5-fluorouracil, and FOLFIRINOX, respectively. The 2-year survival rate (2YSR) was 36.6% and the median overall survival (OS) was 20 months. Of the 40 patients, 34 patients underwent resection and the 2YSR was 41.2% while the 2YSR of patients who did not undergo resection was 16.7% (P = 0.011). The 2YSR was significantly higher in patients who had partial response compared to stable disease (60.6% vs. 24.3%, P = 0.038), in patients who did than did not show a CA 19-9 response after neoadjuvant treatment (40.5% vs. 0%, P = 0.039) and in patients who did than did not receive radiotherapy (50.8% vs. 25.3%, P = 0.036). Five patients had local recurrence and 17 patients had systemic recurrence with a median disease specific survival of 15 months. Conclusion: Neoadjuvant treatment followed by resection is effective for BRPC. Pancreatectomy and neoadjuvant treatment response may affect survival. Effective systemic therapy is needed to improve long-term survival since systemic metastasis accounts for a high proportion of recurrence.
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Wooil Kwon,Jin-Young Jang,Ji Kon Ryu,Yong-Tae Kim,Yong Bum Yoon,Mee Joo Kang,Sun-Whe Kim 대한외과학회 2012 Annals of Surgical Treatment and Research(ASRT) Vol.83 No.4
Purpose: Consensus for endoscopic retrograde cholangiopancreatography (ERCP) related perforation management is lacking. We aimed to identify candidate patients for conservative management by examining treatment results and to introduce a simple, algorithm-based management guideline. Methods: A retrospective review of 53 patients with ERCP-related perforation between 2000 and 2010 was conducted. Data on perforation site (duodenum lateral wall or jejunum, type I; para-Vaterian, type II), management method, complication, mortality, hospital stay, and hospital cost were reviewed. Comparative analysis was done according to the injury types and management methods. Results: The outcome was greater in the conservative group than the operative group with shorter hospital stay (20.6 days vs. 29.8 days, P = 0.092), less cost (10.6 thousand United States Dollars [USD] vs. 19.9 thousand USD, P = 0.095), and lower morbidity rate (22.9% vs. 55.6%, P = 0.017). Eighty-one percent (17/21) of type I injuries were operatively managed and 96.9% (31/32) of type II injuries were conservatively managed. Between the types, type II showed better results over type I with shorter hospital stay (19.3 days vs. 30.6 days, P = 0.010), less cost (9.5 thousand USD vs. 20.1 thousand USD, P = 0.028), and lower complication rate (18.8% vs. 57.1%, P = 0.004). There was no difference in mortality. Conclusion: Type II injuries were conservatively manageable and demonstrated better outcomes than type I injuries. The management algorithm suggests conservative management in type II injuries without severe peritonitis or unsolved problem requires immediate surgical correction, including operative management in type I injuries unless endoscopic intervention is possible. Conservative management offers socio-medical benefits. Conservative management is recommended in well-selected patients.
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Kim Wooil,Lim Minje,Jang You Joung,Koo Hyun Jung,Kang Joon-Won,Jung Sung-Ho,Yang Dong Hyun 대한영상의학회 2021 Korean Journal of Radiology Vol.22 No.7
Objective: We implemented a novel resectable myocardial model for mock myectomy using a hybrid method of threedimensional (3D) printing and silicone molding for patients with apical hypertrophic cardiomyopathy (ApHCM). Materials and Methods: From January 2019 through May 2020, 3D models from three patients with ApHCM were generated using the end-diastolic cardiac CT phase image. After computer-aided designing of measures to prevent structural deformation during silicone injection into molding, 3D printing was performed to reproduce anatomic details and molds for the left ventricular (LV) myocardial mass. We compared the myocardial thickness of each cardiac segment and the LV myocardial mass and cavity volumes between the myocardial model images and cardiac CT images. The surgeon performed mock surgery, and we compared the volume and weight of the resected silicone and myocardium. Results: During the mock surgery, the surgeon could determine an ideal site for the incision and the optimal extent of myocardial resection. The mean differences in the measured myocardial thickness of the model (0.3, 1.0, 6.9, and 7.3 mm in the basal, midventricular, apical segments, and apex, respectively) and volume of the LV myocardial mass and chamber (36.9 mL and 14.8 mL, 2.9 mL and -9.4 mL, and 6.0 mL and -3.0 mL in basal, mid-ventricular and apical segments, respectively) were consistent with cardiac CT. The volume and weight of the resected silicone were similar to those of the resected myocardium (6 mL [6.2 g] of silicone and 5 mL [5.3 g] of the myocardium in patient 2; 12 mL [12.5 g] of silicone and 11.2 mL [11.8 g] of the myocardium in patient 3). Conclusion: Our 3D model created using hybrid 3D printing and silicone molding may be useful for determining the extent of surgery and planning surgery guided by a rehearsal platform for ApHCM.
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Kim, Jae Ri,Lee, Kyoung-Bun,Kwon, Wooil,Kim, Eunjung,Kim, Sun-Whe,Jang, Jin-Young The Korean Academy of Medical Sciences 2018 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.33 No.42
<P><B>Background</B></P><P>Intraductal papillary neoplasm of the bile duct (IPNB) is a recently defined entity and its clinical characteristics and classifications have yet to be established. We aimed to clarify the clinical features of IPNB and determine the optimal morphological classification criteria.</P><P><B>Methods</B></P><P>From 2003 to 2016, 112 patients with IPNB who underwent surgery were included in the analysis. After pathologic reexamination by a specialized biliary-pancreas pathologist, previously suggested morphological and anatomical classifications were compared using the clinicopathologic characteristics of IPNB.</P><P><B>Results</B></P><P>In terms of histologic subtypes, most patients had the intestinal type (n = 53; 48.6%) or pancreatobiliary type (n = 33; 30.3%). The simple “modified anatomical classification” showed that extrahepatic IPNB comprised more of the intestinal type and tended to be removed by bile duct resection or pancreatoduodenectomy. Intrahepatic IPNB had an equally high proportion of intestinal and pancreatobiliary types and tended to be removed by hepatobiliary resection. Morphologic classifications and histologic subtypes had no effect on survival, whereas a positive resection margin (75.9% vs. 25.7%; <I>P</I> = 0.004) and lymph node metastasis (75.3% vs. 30.0%; <I>P</I> = 0.091) were associated with a poor five-year overall survival rate. In the multivariate analysis, a positive resection margin and perineural invasion were important risk factors for survival.</P><P><B>Conclusion</B></P><P>IPNB showed better long-term outcomes after optimal surgical resection. The “modified anatomical classification” is simple and intuitive and can help to select a treatment strategy and establish the proper scope of the operation.</P>
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