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2019 Novel Coronavirus (COVID-19) Pneumonia: Serial Computed Tomography Findings

Wei J, Xu H, Xiong J, Shen Q, Fan B, Ye C, Dong W, Hu F

From December 2019, Coronavirus disease 2019 (COVID-19) pneumonia (formerly known as the 2019 novel Coronavirus [2019-nCoV]) broke out in Wuhan, China. In this study, we present serial CT findings in...
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Chest Radiographic and CT Findings of the 2019 Novel Coronavirus Disease (COVID-19): Analysis of Nine Patients Treated in Korea

Yoon SH, Lee KH, Kim JY, Lee YK, Ko H, Kim KH, Park CM, Kim YH

OBJECTIVE: This study presents a preliminary report on the chest radiographic and computed tomography (CT) findings of the 2019 novel coronavirus disease (COVID-19) pneumonia in Korea. MATERIALS AND METHODS: As part...
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Phlegmonous Gastritis Caused by Penetration of a Toothpick

Rim CB, Kim SM

Phlegmonous gastritis is a disease caused by a bacterial infection of the gastric wall. This condition is rare, but when it does occur, its prognosis appears to be poor. The...
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Prescreening skin test effectiveness in predicting hypersensitivity to iodinated contrast media

Kim TB

Hypersensitivity reaction to iodinated contrast media (ICM) is a persistent clinical issue owing to widespread use of computed tomography (CT) examinations. The question of whether routine performance of skin tests...
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The size of pelvic hematoma can be a predictive factor for angioembolization in hemodynamically unstable pelvic trauma

Lee HJ, No HK, Choi NJ, Sun HW, Lee JS, Jung YJ, Hong SK

PURPOSE: Unstable pelvic fracture with bleeding can be fatal, with a mortality rate of up to 40%. Therefore, early detection and treatment are important in unstable pelvic trauma. We investigated...
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A prospective study of discrepancy between clinical and pathological diagnosis of appendiceal mucinous neoplasm

Kwak HD, Ju JK

PURPOSE: Appendiceal tumoral lesions can occur as benign, malignant, or borderline disease. Determination of the extent of surgery through accurate diagnosis is important in these tumoral lesions. In this study,...
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Low-Dose Abdominal CT Using a Deep Learning-Based Denoising Algorithm: A Comparison with CT Reconstructed with Filtered Back Projection or Iterative Reconstruction Algorithm

Shin YJ, Chang W, Ye JC, Kang E, Oh DY, Lee YJ, Park JH, Kim YH

OBJECTIVE: To compare the image quality of low-dose (LD) computed tomography (CT) obtained using a deep learning-based denoising algorithm (DLA) with LD CT images reconstructed with a filtered back projection...
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Quantification of Fat Concentration and Vascular Response in Brown and White Adipose Tissue of Rats by Spectral CT Imaging

Peng XG, Zhao Z, Chang D, Bai Y, Xu Q, Ju S

OBJECTIVE: The purpose of the study was to non-invasively characterize and discriminate brown adipose tissue (BAT) from white adipose tissue (WAT) in rats using spectral computed tomography (CT) with histological...
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Preoperative Cardiac Computed Tomography Characteristics Associated with Recurrent Aortic Regurgitation after Aortic Valve Re-Implantation

Ahn Y, Koo HJ, Lee S, Kim DH, Song JM, Kang DH, Song JK, Kim HJ, Kim JB, Jung SH, Choo SJ, Chung CH, Lee JW, Kang JW, Yang DH

OBJECTIVE: To identify the preoperative cardiac computed tomography (CT) factors influencing postoperative recurrent aortic regurgitation (AR) in patients who underwent aortic valve repair with the re-implantation technique (David operation) due...
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Conservative management of traumatic acute intramural hematoma of duodenal 2nd and 3rd portion: A case report and review of literature

Kim SJ, Lee JH, Park SM, Kwon KH

Traumatic intramural duodenal hematoma (IMDH) is a rare disease occurring usually in children. The treatment modality of traumatic IMDH varies according to clinical manifestations. We had a case of a...
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Palliative Measures with Ethanol Gallbladder Ablation and Endobiliary Radiofrequency Ablation Followed by Endoscopic Biliary Stent Placement in an Advanced Case of Common Bile Duct Cancer: A Case Report

Lee YW, Kim HJ, Lee SY, Heo J, Jung MK

Endobiliary radiofrequency ablation (RFA) is a procedure performed widely to induce locoregional tumor control by the transfer of thermal energy to the lesion and subsequent tumor necrosis. A 72-year-old male...
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A Rare Case of Tracheal Leiomyoma: Role of Digital Tomosynthesis in Diagnosis and Treatment

Nam SW, Jeong YJ, Lee G, Lee JW, Eom JS, Lee CH, Park SM

Tracheal leiomyoma is a rare benign tumor, which is composed of transformed cells of mesenchymal origin. We describe a case in which digital tomosynthesis was useful to evaluate a tracheal...
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Inflammatory Fibroid Polyp of the Appendix: A Case Report

Park JS, Kim JW, Gu MJ

An inflammatory fibroid polyp is a rare benign tumor that can arise throughout the gastrointestinal tract. Most cases are observed in the stomach or ileum, and more rarely in the...
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Extrauterine Adenomyoma of the Liver Mimicking a Hepatic Adenoma: A Case Report

Won YJ, Woo JY, Byun J, Hong ME

Extrauterine adenomyoma of the liver is extremely rare. Only a few cases have been reported, and these reports have focused mainly on histopathology. Herein, we report the specific imaging findings...
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Comparative Analysis of Image Quality and Adverse Events between Iopamidol 250 and Ioversol 320 in Hepatic Angiography for Transcatheter Arterial Chemoembolization

Gu MJ, Yi JH, Kim YH, Lee HJ, Kang UR, Ji SW

PURPOSE: This study aimed to compare the image quality and adverse events between Iopamidol 250 and Ioversol 320 usage during transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma (HCC). MATERIALS AND METHODS:...
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Basic Arterial Anatomy and Interpretation of CT Angiography for Intra-Abdominal or Gastrointestinal Bleeding: Correlation with Conventional Angiographic Findings for Beginners

Han DY, Hwang JH, Kang HJ, Yoon J, Kwon SH, Seo TS, Oh JH

It is essential to identify the causative artery in case of active intra-abdominal or gastrointestinal bleeding. A thorough understanding of the basic arterial anatomy is required to identify the causative...
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Accuracy and reliability of measurements performed using two different software programs on digital models generated using laser and computed tomography plaster model scanners

Camardella LT, Ongkosuwito EM, Penning EW, Kuijpers-Jagtman AM, Vilella OV, Breuning K

OBJECTIVE: The aim of this study was to compare the accuracy and reliability of measurements performed using two different software programs on digital models generated using two types of plaster...
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The Diagnostic Utility of Prone Position Chest CT for the Evaluation of Esophageal Cancer

Lee JE, Kim YH, Shin HH, Jeong WG, Na KJ

The aim of this study was to assess the potential of a prone chest CT for the evaluation of esophageal cancer, as compared with a routine supine chest CT. 69...
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Development and Validation of a Deep Learning System for Segmentation of Abdominal Muscle and Fat on Computed Tomography

Park HJ, Shin Y, Park J, Kim H, Lee IS, Seo DW, Huh J, Lee TY, Park T, Lee J, Kim KW

OBJECTIVE: We aimed to develop and validate a deep learning system for fully automated segmentation of abdominal muscle and fat areas on computed tomography (CT) images. MATERIALS AND METHODS: A fully...
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A novel technique for placing titanium mesh with porous polyethylene via the endoscopic transnasal approach into the orbit for medial orbital wall fractures

Bae SH, Jeong DK, Go JY, Park H, Kim JH, Lee JW, Kang T

BACKGROUND: The endoscopic transnasal approach is widely used for reconstructing the medial orbital wall by filling it with a silicone sheet or Merocel, but this technique has the disadvantage of...
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