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| 1 | Reliability of ultrasound ovarian-adnexal reporting and data system amongst less experienced readers before and after training显示文摘BACKGROUND The 2018 ovarian-adnexal reporting and data system(O-RADS)guidelines are aimed at providing a system for consistent reports and risk stratification for ovarian lesions found on ultrasound.It provides key characteristics and findings for lesions,a lexicon of descriptors to communicate findings,and risk characterization and associated follow-up recommendation guidelines.However,the ORADS guidelines have not been validated in North American institutions or amongst less experienced readers.AIM To evaluate the diagnostic accuracy and inter-reader reliability of ultrasound ORADS risk stratification amongst less experienced readers in a North American institution with and without pre-test training.METHODS A single-center retrospective study was performed using 100 ovarian/adnexal lesions of varying O-RADS scores.Of these cases,50 were allotted to a training cohort and 50 to a testing cohort via a non-randomized group selection process in order to approximately equal distribution of O-RADS categories both within and between groups.Reference standard O-RADS scores were established through consensus of three fellowship-trained body imaging radiologists.Three PGY-4 residents were independently evaluated for diagnostic accuracy and inter-reader reliability with and without pre-test O-RADS training.Sensitivity,specificity,positive predictive value,negative predictive value(NPV),and area under the curve(AUC)were used to measure accuracy.Fleiss kappa and weighted quadratic(pairwise)kappa values were used to measure inter-reader reliability.Statistical significance was P<0.05.RESULTS Mean patient age was 40±16 years with lesions ranging from 1.2 to 22.5 cm.Readers demonstrated excellent specificities(85%-100%pre-training and 91%-100%post-training)and NPVs(89%-100%pre-training and 91-100%post-training)across the O-RADS categories.Sensitivities were variable(55%-100%pre-training and 64%-100%post-training)with malignant ORADS 4 and 5 Lesions pre-training and post-training AUC values of 0.87-0.95 and 0.94-098,respectively(P<0.001).Nineteen of 22(86%)misclassified cases in pre-training were related to mischaracterization of dermoid features or wall/septation morphology.Fifteen of 17(88%)of posttraining misclassified cases were related to one of these two errors.Fleiss kappa inter-reader reliability was‘good’and pairwise inter-reader reliability was‘very good’with pre-training and post-training assessment(k=0.76 and 0.77;and k=0.77-0.87 and 0.85-0.89,respectively).CONCLUSION Less experienced readers in North America achieved excellent specificities and AUC values with very good pairwise inter-reader reliability.They may be subject to misclassification of potentially malignant lesions,and specific training around dermoid features and smooth vs irregular inner wall/septation morphology may improve sensitivity. | Prayash Katlariwala Mitchell P Wilson Yeli Pi Baljot S Chahal Roger Croutze Deelan Patel Vimal Patel Gavin Low | 2022 | World Journal of Radiology2022，14，9： | 2 |
| 2 | Efficient Soil Microorganisms: A New Dimen- sion for Sustainable Agriculture and Environmental Development 显示文摘 | Jay S S Vimal C P | 2011 | Agriculture Ecosystems and Environment2011，140，7： | 1 |
| 3 | Design of agile supply chain assessment model and its case study in an Indian automotive components manufacturing organization显示文摘 | Vinodh S Devadasan S R Vimal K E K | 2013 | Journal of Manufacturing Systems2013，，： | 1 |
| 4 | Removal of orange-G and methyl violet dyes by adsorption onto bagasse fly ash-ki- netic study and equilibrium isotherm analyses显示文摘 | INDRA D M VIMAL C S NITIN K A | 2006 | Dyes and Pigments2006，69，3： | 1 |
| 5 | Electrochemicaltreatment of a distillery wastewater : parametric and residuedisposal study显示文摘 | CHANDRAKANT T VIMAL C S INDRA D M | 2009 | Chemical Engineering Journal2009，148，23： | 1 |
| 6 | Antilithiatic Effect of Melia azedarach on Ethylene Glycol - Induced Nephrolithiasis in Rats显示文摘 | Christina A J M Haja Najumadeen N A Vimal Kumar S | 2006 | Pharmaceutical Biology2006，44，6： | 1 |
| 7 | Rice husk ash as an effective adsorbent: Evaluation of adsorptive characteristics for Indigo Carmine dye 显示文摘 | Urea R L Vimal C S Indra D M | 2009 | Journal of Environmental Man- agement2009，90，： | 1 |
| 8 | Metabolism of 1,3-butadiene to toxicologically relevant metabolites in single-exposed mice and rats显示文摘 | Johannes Georg Filser Christoph Hutzler Veronika Meischner Vimal Veereshwarayya Gy?rgy András Csanády | 2006 | Chemico-Biological Interactions2006，，1： | 1 |
| 9 | Laser-induced thermal lens study of the role of morphology and hydroxyl group in the evolution of thermal diffusivity of copper oxide显示文摘The paper explores the evolution of thermal behavior of the material by studying the variations in thermal diffusivity using the single beam thermal lens(TL) technique. For this purpose, the decomposition of Cu(OH)_(2) into CuO is studied in a time range up to 120 h, by subjecting the sample to morphological, structural, and spectroscopic characterizations. The time evolution of thermal diffusivity can be divided into three regions for demonstrating the dynamics of the reaction. When the reaction is complete, the thermal diffusivity is also found to be saturated. In addition to the morphological modifications,from rods to flakes, the variations in the amount of hydroxyl group are attributed to be responsible for the enhancement of base fluid's thermal diffusivity by 165%. Thus the study unveils the role of hydroxyl groups in the thermal behavior of CuO. | Riya Sebastian M S Swapna Vimal Raj S Sankararaman | 2021 | Chinese Physics B2021，30，6： | 1 |
| 10 | Optimization of distributed generation capacity for line loss reduction and voltage profile improvement using PSO显示文摘 | Ajay D Vimal Raj P Senthilkumar S Rajaj | 2008 | Elektrika: Journal of Electrical Engineering2008，10，2： | 1 |
| 11 | Regulation of MDR-1 (P-glm-coprotein) by cydooxygenase-2 显示文摘 | Vimal AP Michael JD Andrey S | 2002 | Biol Chem2002，277，38： | 1 |
| 12 | Molecular characterization of opium poppy显示文摘 | Hari S A Vimals | 1999 | Am J Infect Dis1999，5，2： | 1 |
| 13 | A retrospective analysis of the im- pact of diastolic dysfunction on one-year mortality after transjugular in- trabepatic porto-systemic shunt, liver transplantation and non-trans- plant abdominal surgery in patients with cirrhosis 显示文摘 | Shounak M Vimal R Colin S | 2015 | Ann Gastroen- terol2015，28，3： | 1 |
| 14 | Consolidation radiation after complete remission in Hodgkin's disease following six cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine chemotherapy: is there a need? 显示文摘 | Laskar S Gupta T Vimal S | 2004 | J Clin Oncol2004，22，1： | 1 |
| 15 | Intestinal mucins: the binding sites for Salmonella typhimurium显示文摘 | Khullar M Gupta S | 2000 | Mol Cell Biochem2000，204，12： | 1 |
| 16 | Use of bagasse fly ash as an adsorbent for the removal of brilliant green dye from aqueous solution显示文摘 | Venkat S Mane Indra Deo Mall Vimal Chandra Srivastava | 2007 | Dyes and Pigments2007，73，： | 1 |
| 17 | Optimization of an AZO dye batch adsorption parameters using Box-Behnken design 显示文摘 | Paritosh T Vimal C S Arvind K | 2009 | Desalination2009，219，3： | 1 |
| 18 | Regulation of MDR-1 (P-glycoprotein) by cyclooxygenase-2显示文摘 | Vimal AP Michael JD Andrey S | 2002 | J Biol Chem2002，277，38： | 1 |
| 19 | Hazard analysis of failure of natural gas and petroleum gas pipe!ines显示文摘 | NILAMBAR B INDAR M M VIMAL C S | 2016 | Journal of Loss Preveon in the Process Industries2016，，40： | 1 |
| 20 | Consolidation radiation after complete remission in Hedgkin's disease following 6 cycles of doxorubicin,bleomycin,vinblastineand daearbazine chemotherapy:is there a need?显示文摘 | Laskar S Gupta T Vimal S | 2004 | J Clin Oncol2004，22，1： | 1 |
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