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| 1 | Comparison of RECIST version 1.0 and 1.1 in assessment of tumor response by computed tomography in advanced gastric cancer显示文摘Objective:Response Evaluation Criteria in Solid Tumors(RECIST)guideline version 1.0(RECIST 1.0)was proposed as a new guideline for evaluating tumor response and has been widely accepted as a standardized measure.With a number of issues being raised on RECIST 1.0,however,a revised RECIST guideline version 1.1(RECIST 1.1)was proposed by the RECIST Working Group in 2009.This study was conducted to compare CT tumor response based on RECIST 1.1 vs.RECIST 1.0 in patients with advanced gastric cancer(AGC).Methods:We reviewed 61 AGC patients with measurable diseases by RECIST 1.0 who were enrolled in other clinical trials between 2008 and 2010.These patients were retrospectively re-analyzed to determine the concordance between the two response criteria using theκstatistic.Results:The number and sum of tumor diameters of the target lesions by RECIST 1.1 were significantly lower than those by RECIST 1.0(P<0.0001).However,there was excellent agreement in tumor response between RECIST 1.1 and RECIST 1.0(κ=0.844).The overall response rates(ORRs)according to RECIST1.0 and RECIST 1.1 were 32.7%(20/61)and 34.5%(20/58),respectively.One patient with partial response(PR)based on RECIST 1.0 was reclassified as stable disease(SD)by RECIST 1.1.Of two patients with SD by RECIST 1.0,one was downgraded to progressive disease and the other was upgraded to PR by RECIST 1.1.Conclusions:RECIST 1.1 provided almost perfect agreement with RECIST 1.0 in the CT assessment of tumor response of AGC. | Gil-Su Jang Min-Jeong Kim Hong-Il Ha Jung Han Kim Hyeong Su Kim Sung Bae Ju Dae Young Zang | 2013 | Chinese Journal of Cancer Research2013,25,6: | 42 |
| 2 | Efficacy and safety of limited endoscopic sphincterotomy before self-expandable metal stent insertion for malignant biliary obstruction显示文摘AIM To evaluate the safety and efficacy of limited endoscopic sphincterotomy (ES) before placement of selfexpandable metal stent(SEMS).METHODS This was a retrospective analysis of 244 consecutive patients with unresectable malignant biliary obstruction, who underwent placement of SEMSs following limited ES from December 2008 to February 2015. The diagnosis of malignant biliary obstruction and assessment of patient eligibility for the study was established by a combination of clinical findings, laboratory investigations, imaging and pathological results. All patients were monitored in the hospital for at least 24 h following endoscopic retrograde cholangio pancreatography(ERCP). The incidence of immediate or early post-ERCP complications such as post-ERCP pancreatitis(PEP) and bleeding related to limited ES were considered as primary outcomes. Also, characteristics and complications according to the cancer type were classified.RESULTS Among the 244 patients included, the underlying diagnosis was cholangiocarcinoma in 118 patients,pancreatic cancer in 79, and non-pancreatic or nonbiliary malignancies in the remaining 47 patients. Early post-ERCP complications occurred in 9 patients(3.7%), with PEP in 7 patients (2.9%; mild, 6; moderate, 1) and mild bleeding in 2 patients (0.8%). There was no significant association between the incidence of post-ERCP complications and the type of malignancy(cholangiocarcinoma vs pancreatic cancer vs others, P = 0.696) or the type of SEMS used (uncovered vs covered, P = 1.000). Patients who had more than one SEMS placed at the first instance were at a significantly higher risk of post-ERCP complications (one SEMS vs two SEMS, P = 0.031). No other factors were predictive of post-ERCP complications.CONCLUSION Limited ES is feasible and safe, and effectively facilitates the placement of SEMS, without any significant risk of PEP or severe bleeding. | Hyeong Seok Nam Dae Hwan Kang Hyung Wook Kim Cheol Woong Choi Su Bum Park Su Jin Kim Dae Gon Ryu | 2017 | World Journal of Gastroenterology2017,23,9: | 7 |
| 3 | Is endoscopic ultrasonography essential for endoscopic resection of small rectal neuroendocrine tumors?显示文摘AIM To evaluate the importance of endoscopic ultrasonography(EUS) for small(≤ 10 mm) rectal neuroendocrine tumor(NET) treatment.METHODS Patients in whom rectal NETs were diagnosed by endoscopic resection(ER) at the Pusan National University Yangsan Hospital between 2008 and 2014 were included in this study. A total of 120 small rectal NETs in 118 patients were included in this study. Histologic features and clinical outcomes were analyzed, and the findings of endoscopy, EUS and histology were compared. RESULTS The size measured by endoscopy was not significantly different from that measured by EUS and histology(r = 0.914 and r = 0.727 respectively). Accuracy for the depth of invasion was 92.5% with EUS. No patients showed invasion of the muscularis propria or metastasis to the regional lymph nodes. All rectal NETswere classified as grade 1 and demonstrated an L-cell phenotype. Mean follow-up duration was 407.54 ± 374.16 d. No patients had local or distant metastasis during the follow-up periods. CONCLUSION EUS is not essential for ER in the patient with small rectal NETs because of the prominent morphology and benign behavior. | Su Bum Park Dong Jun Kim Hyung Wook Kim Cheol Woong Choi Dae Hwan Kang Su Jin Kim Hyeong Seok Nam | 2017 | World Journal of Gastroenterology2017,23,11: | 7 |
| 4 | Transcription factor IRF8 controls Thl-like regulatory T-cell function显示文摘 | Wonyong Lee Hyeong Su Kim Song Yi Baek Gap Ryol Lee | 2016 | Cellular & Molecular Immunology2016,13,6: | 5 |
| 5 | Tumor response assessment by the single-lesion measurement per organ in small cell lung cancer显示文摘Background: The criterion of two target lesions per organ in the Response Evaluation Criteria in Solid Tumors(RECIST) version 1.1 is an arbitrary one, being supported by no objective evidence. The optimal number of target lesions per organ still needs to be investigated. We compared tumor responses using the RECIST 1.1(measuring two target lesions per organ) and modified RECIST 1.1(measuring the single largest lesion in each organ) in patients with small cell lung cancer(SCLC).Methods: We reviewed medical records of patients with SCLC who received first-line treatment between January 2004 and December 2014 and compared tumor responses according to the two criteria using computed tomography.Results: There were a total of 34 patients who had at least two target lesions in any organ according to the RECIST 1.1 during the study period. The differences in the percentage changes of the sum of tumor measurements between RECIST 1.1 and modified RECIST 1.1 were all within 13%. Seven patients showed complete response and fourteen showed partial response according to the RECIST 1.1. The overall response rate was 61.8%. When assessing with the modified RECIST 1.1 instead of the RECIST 1.1, tumor responses showed perfect concordance between the two criteria(k=1.0).Conclusions: The modified RECIST 1.1 showed perfect agreement with the original RECIST 1.1 in the assessment of tumor response of SCLC. Our result suggests that it may be enough to measure the single largest target lesion per organ for evaluating tumor response. | Soong Goo Jung Jung Han Kim Hyeong Su Kim Kyoung Ju Kim Ik Yang | 2016 | Chinese Journal of Cancer Research2016,28,2: | 4 |
| 6 | Advantage of endoscopic mucosal resection with a cap for rectal neuroendocrine tumors显示文摘AIM: To compare the outcomes of endoscopic mucosal resection with a cap(EMR-C) with those of endoscopic submucosal dissection(ESD) for the resection of rectal neuroendocrine tumors.METHODS: One hundred and sixteen lesions in 114 patients with rectal neuroendocrine tumor(NET) resected with EMR-C or ESD were included in the study. This study was performed at Pusan National University Yangsan Hospital between July 2009 and August 2014. We analyzed endoscopic complete resection rate,pathologic complete resection rate,procedure time,and adverse events in the EMR-C(n = 65) and ESD(n = 51) groups. We also performed a subgroup analysis by tumor size.RESULTS: Mean tumor size was 4.62 ± 1.66 mm in the EMR-C group and 7.73 ± 3.14 mm in the ESD group(P < 0.001). Endoscopic complete resection rate was 100% in both groups. Histologic complete resection rate was significantly greater in the EMR-C group(92.3%) than in the ESD group(78.4%)(P = 0.042). Mean procedure time was significantly longer in the ESD group(14.43 ± 7.26 min) than in the EMR-C group(3.83 ± 1.17 min)(P < 0.001). Rates of histologic complete resection without complication were similar for tumor diameter ≤ 5 mm(EMR-C,96%; ESD,100%,P = 0.472) as well as in cases of 5 mm < tumor diameter ≤ 10 mm(EMR-C,80%; ESD,71.0%,P = 0.524).CONCLUSION: EMR-C may be simple,faster,and more effective than ESD in removing rectal NETs and may be preferable for resection of small rectal NETs. | Su Bum Park Hyung Wook Kim Dae Hwan Kang Cheol Woong Choi Su Jin Kim Hyeong Seok Nam | 2015 | World Journal of Gastroenterology2015,21,31: | 4 |
| 7 | Assessment of disease activity by fecal immunochemical test in ulcerative colitis显示文摘AIM To evaluate the efficacy of quantitative fecal immunochemical test(FIT) as biomarker of disease activity in ulcerative colitis(UC).METHODS Between February 2013 and November 2014, a total of 82 FIT results, obtained in conjunction with colonoscopies, were retrospectivelyevaluated for 63 patients with UC. The efficacy of FIT for evaluation of disease activity was compared to colonoscopic findings. Quantitative fecal blood with automated equipment examined from collected feces. Endoscopic disease severity were assessed using the Mayo endoscopic subscore(MES) classification. The extent of disease were classified by proctitis(E1), left sided colitis(E2), and extensive colitis(E3). Clinical activity were subgrouped by remission or active.RESULTS All of 21 patients with MES 0 had negative FIT(< 7 ng/mL), but 22 patients with MES 2 or 3 had a mean FIT of > 134.89 ng/m L. The sensitivity, specificity, positive predictive value(PPV), negative predictive value(NPV) and accuracy of negative FIT about mucosal healing were 73.33%, 81.82%, 91.49%, 51.43% and 73.17%, respectively. The sensitivity, specificity, PPV, NPV and accuracy of predictive value of positive FIT(cutoff value > 100 ng/mL) about active disease status were 45.45%, 93.33%, 71.43%, 82.35%and 26.83%, respectively. Among patients with clinical remission, FIT was negative in 31(81.6%) of 38 cases, with a mean fecal hemoglobin concentration of 6.12 ng/mL(range, negative to 80.9 ng/mL) for this group of patients. Among patients with clinical active disease, FIT was negative in 16(36.4%) out of 44 cases, with a mean fecal hemoglobin concentration > 167.4 ng/mL for this group of patients. FIT was positively correlated with endoscopic activity(r = 0.626, P < 0.01) and clinical activity(r = 0.496, P < 0.01). But, FIT did not correlate with the extent of disease(r =-0.047, P = 0.676)CONCLUSION Quantitative FIT can be a non-invasive and effective biomarker for evaluation of clinical and endoscopic activity in UC, but not predict the extent of disease. | Dae Gon Ryu Hyung Wook Kim Su Bum Park Dae Hwan Kang Cheol Woong Choi Su Jin Kim Hyeong Seok Nam | 2016 | World Journal of Gastroenterology2016,22,48: | 3 |
| 8 | Developmental process of the arcuate fasciculus from infancy to adolescence: a diffusion tensor imaging study显示文摘We investigated the radiologic developmental process of the arcuate fasciculus(AF) using subcomponent diffusion tensor imaging(DTI) analysis in typically developing volunteers. DTI data were acquired from 96 consecutive typically developing children, aged 0–14 years. AF subcomponents, including the posterior, anterior, and direct AF tracts were analyzed. Success rates of analysis(AR) and fractional anisotropy(FA) values of each subcomponent tract were measured and compared. AR of all subcomponent tracts, except the posterior, showed a significant increase with aging(P < 0.05). Subcomponent tracts had a specific developmental sequence: First, the posterior AF tract, second, the anterior AF tract, and last, the direct AF tract in identical hemispheres. FA values of all subcomponent tracts, except right direct AF tract, showed correlation with subject's age(P < 0.05). Increased AR and FA values were observed in female subjects in young age(0–2 years) group compared with males(P < 0.05). The direct AF tract showed leftward hemispheric asymmetry and this tendency showed greater consolidation in older age(3–14 years) groups(P < 0.05). These findings demonstrated the radiologic developmental patterns of the AF from infancy to adolescence using subcomponent DTI analysis. The AF showed a specific developmental sequence, sex difference in younger age, and hemispheric asymmetry in older age. | Hyeong Jun Tak Jin Hyun Kim Su Min Son | 2016 | Neural Regeneration Research2016,11,6: | 2 |
| 9 | Human papilloma- virus type 16 E5 protein inhibits hydrogen 'peroxide-induced apoptosis by stimulating ubiquitin-proteasome- mediated degradation of Bax in human cervical cancer cells 显示文摘 | Oh Jung-Min Kim Su Hyeong Cho Eun-Ah | 2010 | Carcinogenesis2010,31,3: | 1 |
| 10 | Recovery of cerebellar peduncle injury in a patient with a cerebellar tumor: validation by diffusion tensor tractography显示文摘The cerebellum has a complex network and relates to various clinical functions including ataxia,gait disturbance,hearing and vision,cognition and affective control.Cerebellar peduncles are the structure connecting the cerebellum to the brain stem and the cerebrum.There exist three cerebellar peduncles.The superior cerebellar peduncle(SCP)involves vestibular sense and proprioception connecting to the thalamocortical pathway.The middle cerebellar peduncle(MCP)is the largest structure among the | Min-Su Kim Hyeong Jun Tak Su Min Son | 2014 | Neural Regeneration Research2014,9,21: | 1 |