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Faculty Directory

Dae Kyung SOHN

Dae Kyung SOHN, M.D., Ph.D.(adjunct professor)
Faculty Appointment
(title, department)

Professor, Department of Cancer Control and Population Health
Head, Center for Colorectal Cancer
Chief, Innovative Medical Engineering & Technology
Chief, Department of Biomedical Engineering
Area of Expertise
Endoscopy, Colorectal Surgery, Biomedical Engineering
Work Experience
Residency, Seoul National University Hospital, Dept. of Surgery Fellowship, National Cancer Center
Research fellow, Massachusette General Hospital
Chief scientist, Colorectal Cancer Branch, National Cancer Center
Educational Background
Seoul National University College of Medicine (M.D.)
Chungbuk National University Graduate School (M.S.)
Chungbuk National University Graduate School (Ph.D.)
Research Interests
Therapeutic colonoscopy
Natural orifice transluminal endoscopic surgery (NOTES)
Biomedical engineering
International Collaboration
2018 SCI Incidence and Risk Factors for Anastomotic Failure in 1594 Patients Treated by Transanal Total Mesorectal Excision : Results From the International TaTME Registry: Annals of Surgery. IN:PRINT (8.98)

2017 SCI Risk of recurrence after endoscopic resection of early colorectal cancer with positive margins: Endoscopy. 50(3):241~247 (6.107)

2017 SCI Robot-assisted Versus Laparoscopic Surgery for Rectal Cancer: A Phase II Open Label Prospective Randomized Controlled Trial: Annals of Surgery. 267(2):243~251 (8.98)

2017 SCI-E Endoscopic assessment of tumor regression after preoperative chemoradiotherapy as a prognostic marker in locally advanced rectal cancer: Surgical Oncology-Oxford. 26(4):453~459 (3.304)

2017 SCI-E Natural orifice transluminal endoscopic surgery with a snake-mechanism using a movable pulley: International Journal of Medical Robotics and Computer Assisted Surgery. 13(4):1~1 (1.613)

2017 SCI Dietary flavonoids, CYP1A1 genetic variants, and the risk of colorectal cancer in a Korean population: Scientific Reports. 7(1):128~128 (4.259)

2017 SCI-E Histopathologic risk factors for lymph node metastasis in patients with T1 colorectal cancer: Annals of Surgical Treatment and Research. 93(5):266~271 (1.491)

2017 SCI Visceral Adipose Tissue Volume and the Occurrence of Colorectal Adenoma in Follow-up Colonoscopy for Screening and Surveillance: Nutrition and Cancer. 69(5):739~745 (2.447)

2017 기타 Correlation Between Bowel Preparation and the Adenoma Detection Rate in Screening Colonoscopy.: Annals of Coloproctology. 33:93~98 ()

2017 SCI-E Predictors for difficult cecal insertion in colonoscopy: The impact of obesity indices: World Journal of Gastroenterology. 23(13):2346~2354 (3.365)

2017 SCI Comparative Evaluation of the Efficacy of Polyethylene Glycol With Ascorbic Acid and an Oral Sulfate Solution in a Split Method for BowelPreparation: A Randomized, Multicenter Phase III Clinical Trial: Disease of the Colon and Rectum. 60:426~432 (3.519)

2017 SCI-E Differences in the survival rates of older patients with colorectal cancers in 2003 and 2009: Annals of Surgical Treatment and Research. 92(4):191~199 (1.491)

2017 SCI-E Variations in the bitterness perception-related genes TAS2R38 and CA6 modify the risk for colorectal cancer in Koreans: Oncotarget. 8(13):21253~21365 (5.168)

2017 SCI-E A phase II study of preoperative chemoradiation with tegafur-uracil plus leucovorin for locally advanced rectal cancer with pharmacogenetic analysis: Radiation Oncology. 12(1):62~62 (2.568)

2017 SCI-E Genetic variation in PPARGC1A may affect the role of diet-associated inflammation in colorectal carcinogenesis: Oncotarget. 8(5):8550~8558 (5.008)

2016 SCI Helicobacter pylori infection is an independent risk factor for colonic adenomatous neoplasms: Cancer Causes Control. 28(2):107~115 (2.68)

2016 SCI Impedance and admittance control for respiratory-motion compensation during robotic needle insertion - a preliminary test.: The International Journal of Medical Robotics and Computer Assisted Surgery. Online:Published ()

2016 SCI Transanal Total Mesorectal Excision; International Registry Results of the First 720 Cases: Annals of Surgery. Online:Published (8.569)

2016 SCI-E Feasibility of transanal endoscopic total mesorectal excision for rectal cancer: results of a pilot study: Annals of Surgical Treatment and Research. 91(4):187~194 (0.73)

2016 기타 Natural Orifice Transluminal Endoscopic Surgery in Korea: Journal of Minimally Invasive Surgery. 19(2):52~56 ()

2016 SCI-E Long-term outcomes of locally or radically resected T1 colorectal cancer.: Colorectal Disease. 18(9):852~860 (2.452)

2016 SCI Vascular Anatomy in Laparoscopic Colectomy for Right Colon Cancer.: Diseases of the Colon & Rectum. 59(8):718~724 (3.739)

2016 기타 Methods of Hematoxylin and Eosin Image Information Acquisition and Optimization in Confocal Microscopy.: Health Informatics Research. 22:238~42 ()

2016 SCI-E Lymph node size is not a reliable criterion for predicting nodal metastasis in rectal neuroendocrine tumours: Colorectal disease. 18(7):O243~O251 (2.452)

2016 SCI Early Outcomes of Endoscopic Submucosal Dissection for Colorectal Neoplasms According to Clinical Indications.: Disease of Colon and Rectum. 59(5):403~410 (3.739)

2016 SCI Fluorescent property of indocyanine green (ICG) rubber ring using LED and laser light sources: Biomedical optics express. 7(5):1637~1644 (3.344)

2016 SCI Phase II randomized controlled trial of combined oral laxatives medication for bowel preparation (COMBO-PREP study): Medicine. 95(7):e2824~e2824 (2.133)

2015 SCI-E Endoscopic Criteria for Evaluating Tumor Stage after Preoperative Chemoradiation Therapy in Locally Advanced Rectal Cancer.: Cancer Research and Treatment. 48(2):567~573 (3.318)

2015 SCI Risk factors for permanent stoma after rectal cancer surgery with temporary ileostomy: Surgery. 159(3):721~727 (3.38)

2015 SCI-E Robotic Versus Laparoscopic Surgery for Rectal Cancer after Preoperative Chemoradiotherapy: Case-Matched Study of Short-term Outcomes: Cancer research and treatment. 48(1):225~231 (3.318)

2015 SCI-E Clinical impact of atypical endoscopic features in rectal neuroendocrine tumors: World Journal of Gastroenterology. 21(47):13302~13308 (2.369)

2015 SCI-E Long-term outcomes of locally or radically resected T1 colorectal cancer: Colorectal Disease. Online:Published (2.351)

2015 SCI-E Cost comparison between endoscopic submucosal dissection and transanal endoscopic microsurgery for the treatment of rectal tumors: Annals of Surgical Treatment and Research. 89(4):202~207 (0)

2015 SCI Development of Three dimensional automatic body fat measurement software form CT and Its validation and Evaluaion: Journal of Biomedical Science and Engineering. 8:665~673 (0)

2015 SCI Difference in Time to Locoregional Recurrence Between Patients With Right-Sided and Left-Sided Colon Cancers: Diseases of the colon and rectum. 58(9):831~837 (3.749)

2015 SCI A novel semi-automatic snake robot for natural orifice transluminal endoscopic surgery: preclinical tests in animal and human cadaver models (with video): Surgical endoscopy. 29(6):1643~1647 (3.256)

2015 기타 The Korean guideline for colorectal cancer screening: Journal of the Korean Medical Association. 58(5):420~432 (0)

2015 SCI The Role of Fibrinogen as a Predictor in Preoperative Chemoradiation for Rectal Cancer: Annals of surgical oncology. 22(1):209~215 (3.93)

2014 SCI-E Association between family history of malignant neoplasm with colorectal adenomatous polyp in 40s aged relative person: Cancer epidemiology. 38(5):623~627 (2.558)

2014 SCI-E A predictive model combining fecal calgranulin B and fecal occult blood tests can improve the diagnosis of colorectal cancer: PloS one. 9(9):e106182~e106182 (3.534)

2014 SCI-E Incidence and risk factors of metachronous colorectal neoplasm after curative resection of colorectal cancer in Korean patients: Journal of digestive diseases. 15(7):367~376 (1.924)

2014 SCI-E Transanal natural orifice transluminal endoscopic surgery total mesorectal excision in animal models: endoscopic inferior mesenteric artery dissection made easier by a retroperitoneal approach: Annals of Surgical Treatment and Research. 87(1):1~4 (0)

2014 기타 Lymph node segmentation of CT, MRI, images and 3D registration usefulness research: 3차원방송영상학회논문지. 5(1):1~6 (0)

2014 SCI Neoadjuvant chemoradiotherapy affects the indications for lateral pelvic node dissection in mid/low rectal cancer with clinically suspected lateral node involvement: a multicenter retrospective cohort study.: Annals of Surgical Oncology. 21(7):2280~2287 (3.943)

2014 SCI-E Open versus laparoscopic surgery for mid-rectal or low-rectal cancer after neoadjuvant chemoradiotherapy (COREAN trial): survival outcomes of an open-label, non-inferiority, randomised controlled trial: The lancet oncology. 15(7):767~774 (24.725)

2014 기타 A Survey of Colonoscopic Surveillance After Polypectomy: Annals of Coloproctology. 30(2):88~92 (0)

2014 SCI Randomized Clinical Trial Comparing Reduced-Volume Oral Picosulfate and a Prepackaged Low-Residue Diet With 4-Liter PEG Solution for Bowel Preparation: Diseases of the Colon & Rectum. 57(4):522~528 (3.198)

2014 SCI-E Influence of family history on survival in patients with colon and rectal cancer: Journal of digestive diseases. 15(3):108~115 (1.924)

2014 기타 Develop of Multiple Hemoclip and Estimation in Vitro: 대한의학영상정보학회논문지. 19:63~66 (0)

2013 기타 Importance of Early Follow-up Colonoscopy in Patients at High Risk for Colorectal Polyps.: Annals of Coloproctology. 29(6):243~247 (0)

2013 SCI Safety and Efficacy of Single-Port Colectomy for Sigmoid Colon Cancer:A Phase II Clinical Trial: Journal of laparoendoscopic and advanced surgical techniques. Part A. 23(9):745~750 (1.066)

2013 SCI-E Predictive value of (18)FDG PET-CT for tumour response in patients with locally advanced rectal cancer treated by preoperative chemoradiotherapy: International Journal of Colorectal Disease. 28(9):1217~1224 (2.238)

2013 SCI Rectal Neuroendocrine and L-cell Tumors: Diagnostic Dilemma and Therapeutic Strategy: Am J Surg Pathol. 37(7):1044~1052 (4.868)

2013 SCI-E Transanal Rectosigmoidectomy Using a Single Port in a Swine Model: Surgical Innovation. 20(3):225~229 (1.537)

2013 SCI-E Analysis of the Anatomical Characteristics of the Pelvis in Koreans to Aid in Development of a NOTES Platform: Surgical innovation.. 20(2):134~141 (1.537)

2013 SCI-E Clinicopathological characteristics of T1 colorectal cancer without background adenoma: Colorectal disease. 15(3):e124~e129 (2.081)

2013 SCI-E A prospective observational study with dose volume parameters predicting rectosigmoidoscopic findings and late rectosigmoid bleeding in patients with uterine cervical cancer treated by definitive radiotherapy: Radiation Oncology. 8:28~28 (2.107)

2013 SCI-E Factors associated with complete local excision of small rectal carcinoid tumor: International journal of colorectal disease. 28(1):57~61 (2.238)

2013 SCI Transanal rectosigmoid resection via natural orifice translumenal endoscopic surgery (NOTES) with total mesorectal excision in a large human cadaver series.: Surgical Endoscopy. 27(1):74~80 (3.427)

2012 기타 Current Issues Involving the Treatment of Small Rectal Carcinoid Tumors: Journal of the Korean Society of Coloproctology. 28(4):176~177 (0)

2012 SCI-E Tumor Budding and Recurrence in Submucosal Invasive Colorectal Cancers of Favorable Histology: Case Reports of Two Early Colorectal Cancers with Advanced Recurrences: The Korean Journal of Pathology. 46(3):272~277 (0.158)

2012 SCI Predictors for lymph node metastasis in T1 colorectal cancer: Endoscopy. 44(6):590~595 (5.21)

2012 SCI-E Clinical outcomes of palliative self-expanding metallic stents in patients with malignant colorectal obstruction: Journal of Digestive Diseases. 13(5):258~266 (1.589)

2012 SCI Association of colorectal adenoma with components of metabolic syndrome: Cancer Causes & Control. 23(5):727~735 (2.877)

2012 SCI Tumor Volume Reduction Rate After Preoperative Chemoradiotherapy as a Prognostic Factor in Locally Advanced Rectal Cancer.: International journal of radiation oncology, biology, physics.. 82(2):e193~e199 (4.105)

2012 SCI Stage-to-stage Comparison of Pre-operative and Post-operative Chemoradiotherapy for T3 Mid or Distal Rectal Cancer: Int. J. Radiation Oncology Biol. Phys.. 82(2):856~862 (4.105)

2012 기타 Development of Short Distance Transanal Access Surgical Instrument with LED Lighting and Rotating Platform: 대한의학영상정보학회논문지. 17:61~66 (0)

2011 SCI Prognostic Significance of Distribution of Lymph Node Metastasis in Advanced Mid or Low Rectal Cancer: Journal of surgical oncology.. 104(5):486~492 (2.428)

2011 SCI Endoscopic Submucosal Dissection for Rectal Neuroendocrine (Carcinoid) Tumors.: Journal of laparoendoscopic & advanced surgical techniques. Part A. 21(8):695~699 (1.198)

2011 SCI Associations of cigarette smoking and alcohol consumption with advanced or multiple colorectal adenoma risks: a colonoscopy-based case-control study in Korea.: American journal of epidemiology.. 174(5):552~562 (5.745)

2011 SCI Single-Incision Laparoscopic Low Anterior Resection with Double-Stapled Anastomosis in Unfrozen Cadaver Models: Journal of Laparoendoscopic & Advanced Surgical Techniques and Part B: Videoscopy. Online:Published (1.198)

2011 SCI A Novel Endoscopic Fluorescent Clip for the Localization of Gastrointestinal Tumours: Surgical Endoscopy. 25(7):2372~2377 (3.436)

2011 기타 Comparison of Conventional Transanal Resection with Transanal Endoscopic Microsurgery in Patients with Rectal Neoplasm: J Korean Soc Endosc Laparosc Surg(대한내시경복강경 외과학회). 14(1):1~6 (0)

2011 SCI Comparative study of NOTES rectosigmoidectomy in a swine model: E-NOTES vs. P-NOTES: Endoscopy. 43(6):526~532 (6.096)

2011 SCI Preoperative Chemoradiation With Irinotecan and Capecitabine in Patients With Locally Advanced Resectable Rectal Cancer: Long-Term Results of a Phase II Study: International Journal of Radiation Oncology Biology Phyics. 79(4):1171~1178 (4.503)

2011 SCI Clinicopathological differences of laterally spreading tumors of the colorectum according to gross appearance.: Endoscopy. 43(2):100~107 (6.096)

2010 SCI Small-Dose India Ink Tattooing for Preoperative Localization of Colorectal Tumor: JOURNAL OF LAPAROENDOSCOPIC & ADVANCED SURGICAL TECHNIQUES. 20(9):731~734 (1.012)

2010 SCI Survival study of natural orifice translumenal endoscopic surgery for rectosigmoid resection using transanal endoscopic microsurgery with or without transgastric endoscopic assistance in a swine model.: Surgical Endoscopy. 24:2022~2030 (3.307)

2010 SCI-E Open versus laparoscopic surgery for mid or low rectal cancer after neoadjuvant chemoradiotherapy (COREAN trial): short-term outcomes of an open-label randomised controlled trial: Lancet oncology. 11(7):637~645 (14.47)

2010 SCI-E Recurrence after endoscopic piecemeal mucosal resection for large sessile colorectal polyps: World Journal of Gastroenterology. 16:2806~2811 (2.092)

2010 SCI Leaks and endoscopic assessment of break of integrity after NOTES gastrotomy: the LEAKING study, a prospective, randomized, controlled trial.: Gastrointestinal Endoscopy. 71:1018~1024 (6.713)

2010 SCI Risk of Hemorrhagic Gastropathy Associated with Colonoscopy Bowel Preparation Using Oral Sodium Phosphate Solution: endoscopy. 42:109~113 (5.545)

2010 SCI Reducing the unexpectedly high rate of injuries caused by NOTES gastrotomy creation.: Surgical Endoscopy. 24:277~282 (3.307)

2009 SCI-E Carbonic anhydrase 9 is a predictive marker of survival benefit from lower dose of bevacizumab in patients with previously treated metastatic colorectal cancer.: BMC Cancer. Online:Published (3.087)

2009 SCI Indications for Subsequent Surgery After Endoscopic Resection of Submucosally Invasive Colorectal Carcinomas: A Prospective Cohort Study: Diseases of the Colon & Rectum. 52:438~445 (2.615)

2008 SCI A phase II study of S-1 plus irinotecan and oxaliplatin in heavily-treated patients with metastatic colorectal cancer: Investigational New Drugs. Online:Published (2.806)

2008 SCI Selection of cap size in endoscopic submucosal resection with cap aspiration for rectal carcinoid tumors.: Journal of laparoendoscopic & advanced surgical techniques. 18:815~818 (0.606)

2008 SCI No-touch diagnosis technique in colonoscopic examination.: Gastrointestinal Endoscopy. 68:1027~1028 (5.888)

2008 SCI Feasibility of single-stage laparoscopic resection after placement of a self-expandable metallic stent for obstructive left colorectal cancer: World Journal of Surgery. 32:2275~2280 (1.778)

2008 SCI-E NOTES rectosigmoid resection using transanal endoscopic microsurgery (TEM) with transgastric endoscopic assistance: a pilot study in swine.: Journal of Gastrointestinal Surgery. 12:1717~1723 (2.272)

2008 SCI Biopsy and nonlifting sign in endoscopically resectable colorectal cancers: Gastrointestinal Endoscopy. 68:615~615 (5.888)

2008 SCI Atypical endoscopic features can be associated with metastasis in rectal carcinoid tumors: Surgical Endoscopy. 22:1992~1996 (2.242)

2008 SCI Response: False-positive nonlifting sign: Gastrointestinal Endoscopy. 68:408~409 (5.888)

2008 SCI Does hyaluronic acid stimulate tumor growth after endoscopic mucosal resection?: Journal of Gastroenterology and Hepatology. 23:1204~1207 (1.673)

2008 기타 The First Transcolonic Cholecystectomy in Korea: A NOTES Survival Study in an Animal Model: Journal of Korean Surgical Society. 75:64~69 ()

2008 기타 Clinicopathologic Features of Sporadic Colorectal Cancer with MLH1/MSH2 Loss of Expression - Reduced Likelihood of Metastases: Journal of Korean Society of Coloproctology. 24:175~181 ()

2008 SCI Colonoscopy in situs inversus totalis patients: American Journal of Gastroenterology. 103:1311~1312 (6.101)

2008 기타 Endoscopic Balloon Dilatation for Anastomotic Stricture Developed after Surgery for Colorectal Cancer: Journal of Korean Society of Coloproctology. 24:27~33 ()

2008 SCI-E Synchronous gastric cancer in primary sporadic colorectal cancer patients in Korea.: International Journal of Colorectal Disease. 23:61~65 (1.918)

2008 SCI Prolongation of the period between biopsy and EMR can influence the nonlifting sign in endoscopically resectable colorectal cancers.: Gastrointestinal Endoscopy. 67:97~102 (5.888)

2007 SCI The usefulness of preoperative colonoscopic tattooing using a saline test injection method with prepackaged sterile India ink for localization in laparoscopic colorectal surgery: Surgical Endoscopy. 22:501~505 (1.969)

2007 SCI-E Germline mutations of the MYH gene in Korean patients with multiple colorectal adenomas.: International journal of colorectal disease. 22:1173~1178 (2.006)

2007 SCI Microarray gene expression profiling for predicting complete response to preoperative chemoradiotherapy in patients with advanced rectal cancer.: Diseases of the Colon & Rectum. 50:1342~1353 (2.442)

2007 기타 Treatment Patterns for Colorectal Cancer Patients at the National Cancer Center Korea in 2003.: J Korean Soc Coloproctol. 23:245~249 ()

2007 SCI Histopathologic risk factors for lymph node metastasis in submucosal invasive colorectal carcinoma of pedunculated or semipedunculated type: Journal of Clinical Pathology. 60:912~915 (2.245)

2007 SCI Computed tomography-based high-dose-rate intracavitary brachytherapy for uterine cervical cancer: Preliminary demonstration of correlation between dose-volume parameters and rectal mucosal changes observed by flexible sigmoidoscopy: International Journal of Radiation Oncology Biology Physics. 68:1446~1454 (4.463)

2007 SCI Comparison of 5-fluorouracil/leucovorin and capecitabine in preoperative chemoradiotherapy for locally advanced rectal cancer: International Journal of Radiation Oncology Biology Physics. 67:378~384 (4.463)

2007 SCI Endoscopic treatment of completely occluding anastomotic web using incision and ballooning after dye injection: Endoscopy. 39:E102~103 (3.605)

2007 SCI Pneumatosis cystoides coli of the ascending colon: colonoscopic and CT colonographic features: Endoscopy. 39:E73~E74 (3.605)

2006 SCI-E Analysis of microsatellite instability in stool DNA of patients with colorectal cancer using denaturing high performance liquid chromatography: World Journal of Gastroenterology. 12(41):6689~6692 ()

2006 기타 Safety and Efficacy of Colonoscopic Tattooing of a Colorectal Neoplasm Prior to a Laparoscopic Resection: J Korean Soc Coloproctol. 22:97~102 ()

2006 SCI Is T classification still correlated with lymph node status after preoperative chemoradiotherapy for rectal cancer?: Cancer. 106:1694~1700 (4.8)

2006 SCI-E Preoperative chemo-radiotherapy improves the sphincter preservation rate in patients with rectal cancer located within 3 cm of the anal verge.: EUROPEAN JOURNAL OF SURGICAL ONCOLOGY. 32:162~7 (1.882)

2005 SCI Comparative Analysis of the effects of belly board and bladder distension in postoperative radiotherapy of rectal cancer patients: Strahlentherapie und Onkologie. 181(9):601~605 (3.121)

2005 기타 The Quality Evaluation of Information of Websites on Colorectal Cancer Using the DISCERN Instrument.: J Korean Soc Coloproctol. 21:247~54 ()

2005 SCI Usefulness of magnetic resonance volumetric evaluation in predicting response to preoperative concurrent chemoradiotherapy in patients with resectable rectal cancer.: Int J Radiat Oncol Biol Phys.. 62:761~8 (4.285)

2005 SCI Comparison of the belly board device method and the distended bladder method for reducing irradiated small bowel volumes in preoperative radiotherapy of rectal cancer patients: International Journal of Radiation Oncology, Biology & Physics. 0:126~130 (4.285) 2005 기타 Single Immunochemical Fecal Occult Blood Test for Detection of Colorectal Neoplasia.: Cancer Res Treat. 37:20~23 ()

2004 SCI Bax, a predictive marker for therapeutic response to preoperative chemoradiotherapy in patients with rectal carcinoma: Human Pathology. 36:364~371 (3.685)

2004 SCI-E Granular cell tumor of colon: report a case and review of literature: World Journal of Gastroenterology. 10:2452~2454 ()

2001 기타 A Clinical Analysis of Gastrointestinal Stromal Tumors in Small Intestine.: J Korean Surg Soc. 61:510~515 ()