Publications
LOCAT main results
LOCAT Group. Low-dose CT for the diagnosis of appendicitis in adolescents and young adults (LOCAT): a pragmatic, multicentre, randomised controlled non-inferiority trial. Lancet Gastroenterol Hepatol. 2017
Previous studies
Kim K, et al. Low-dose abdominal CT for evaluating suspected appendicitis. N Engl J Med. 2012
Park JH, et al. Diagnostic imaging utilization in cases of acute appendicitis: multi-center experience. J Korean Med Sci. 2014
Concise ver. study protocol
Review articles
Park JH, et al. Low-Dose Abdominal CT for Evaluating Suspected Appendicitis: Recommendations for CT Imaging Techniques and Practical Issues. Diagnostics (Basel). 2022
Park JH, et al. Low-Dose Abdominal CT for Evaluating Suspected Appendicitis in Adolescents and Young Adults: Review of Evidence. Korean J Radiol. 2022
Related studies
Cho J, et al. Radiology Residents' Independent Diagnosis of Appendicitis Using 2-mSv Computed Tomography: A Secondary Analysis of a Large Pragmatic Randomized Trial. Korean J Radiol. 2023
Cho J, et al. Appendiceal visualization on 2-mSv CT vs. conventional-dose CT in adolescents and young adults with suspected appendicitis: an analysis of large pragmatic randomized trial data. Korean J Radiol. 2022
Song H, et al. Can Patient Triaging with Clinical Scoring Systems Reduce CT Use in Adolescents and Young Adults Suspected of Having Appendicitis? Radiology. 2021
Cho J, et al. Final diagnosis and patient disposition following equivocal results on 2-mSv CT vs. conventional-dose CT in adolescents and young adults with suspected appendicitis: a post hoc analysis of large pragmatic randomized trial data. Eur Radiol. 2021
Kim HY, et al. Conventional-dose CT versus 2-mSv CT for right colonic diverticulitis as an alternate diagnosis of appendicitis: secondary analysis of large pragmatic randomized trial data . AJR Am J Roentgenol. 2021
Kim HY, et al. Differentiation between complicated and uncomplicated appendicitis: diagnostic model development and validation study. Abdom Radiol (NY). 2021
Kim HY, et al. Detection and False-Referral Rates of 2-mSv CT Relative to Standard-Dose CT for Appendiceal Perforation: Pragmatic Multicenter Randomized Controlled Trial. AJR Am J Roentgenol. 2020
Ko Y, et al. Diagnostic sensitivity and specificity of 2-mSv CT vs. conventional-dose CT in adolescents and young adults with suspected appendicitis: post hoc subgroup analysis of the LOCAT data. Eur Radiol. 2020
Kim HJ, et al. Using 2-mSv appendiceal CT in usual practice for adolescents and young adults: willingness survey of 579 radiologists, emergency physicians, and surgeons from 20 hospitals. Korean J Radiol. 2020
Park SB, et al. Structured reporting versus free-text reporting for appendiceal computed tomography in adolescents and young adults: preference survey of 594 referring physicians, surgeons, and radiologists from 20 hospitals. Korean J Radiol. 2019
Kim HY, et al. Systematic review and meta-analysis of CT features for differentiating complicated and uncomplicated appendicitis. Radiology. 2018
Ko Y, et al. Central image archiving and management system for multicenter clinical studies: lessons from Low- dose CT for Appendicitis Trial. J Korean Soc Radiol. 2017
Park JH, et al. Comparison of filtered back projection and iterative reconstruction in diagnosing appendicitis at 2-mSv CT. Abdom Radiol (NY). 2016
Lee JB, et al. Comparison of US and CT on the effect on negative appendectomy and appendiceal perforation in adolescents and adults: a post-hoc analysis using propensity-score methods. J Clin Ultrasound. 2016
Kim DH, et al. The surgical rate and recurrence rate in right colonic diverticulitis using CT-based modified Hinchey classification. J Korean Soc Radiol. 2015
Lee YJ, et al. Low-dose (2-mSv) CT in adolescents and young adults with suspected appendicitis: advantages of additional review of thin sections using multiplanar sliding-slab averaging technique. Am J Roentgenol. 2015
Yang HK, et al. Development of an online radiology case review system featuring interactive navigation of volumetric image datasets using advanced visualization techniques. J Korean Soc Radiol. 2015
Yang HK, et al. Initial performance of radiologists and radiology residents in interpreting low-dose (2-mSv) appendiceal CT. Am J Roentgenol. 2015
Kang K, et al. Effect of pain control in suspected acute appendicitis on the diagnostic accuracy of surgical residents. CJEM. 2015
Seong NJ, et al. Off-site smartphone reading of CT images for patients with inconclusive diagnoses of appendicitis from on-call radiologists. Am J Roentgenol. 2014
Park SH, et al. Quality of reporting noninferiority/similarity in research studies of diagnostic imaging. Radiology. 2014
Lee JS, et al. Korean translation of the CONSORT 2010 Statement: updated guidelines for reporting parallel group randomized trials. Epidemiol Health. 2014
Ahn S, et al. How to demonstrate similarity by using noninferiority and equivalence statistical testing in radiology research. Radiology. 2013