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The Potential Role of Cardiac CT in Patients with Acute Coronary Syndrome

Lee SH, Choo KS

Acute coronary syndrome involves three types of coronary artery disease associated with sudden rupture of coronary artery plaque, and has a clinical presentation ranging from ST-segment elevation myocardial infarction (STEMI)...
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Beyond Coronary CT Angiography: CT Fractional Flow Reserve and Perfusion

Kim MY, Yang DH, Choo KS, Lee W

Cardiac CT has been proven to provide diagnostic and prognostic evaluation of coronary artery disease for cardiovascular risk stratification and treatment decision-making based on rapid technological development and various research...
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Comparison of breast volume change between oncoplastic breast-conserving surgery with radiation therapy and a simultaneous contralateral balancing procedure through the inverted-T scar technique

Kim MW, Oh WS, Lee JW, Kim HY, Jung YJ, Choo KS, Nam KJ, Bae SH, Kim C, Nam SB, Joo JH

Background Reduction mammoplasty or mastopexy is performed as an additional balancing procedure in patients with large or ptotic breasts who undergo breast-conserving surgery (BCS). Radiation therapy on breasts that have...
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Clinical and Imaging Findings of Neonatal Seizures Presenting as Diffuse Cerebral White Matter Abnormality on Diffusion-Weighted Imaging without any Structural or Metabolic Etiology

Kim M, Hwang JY, Lee YJ, Kim YW, Byun SY, Lee YJ, Yeom JA, Jeon UB, Choo KS, Nam KJ, Shaun Reid SN

Purpose: Some patients with neonatal seizures show diffuse, symmetric diffusion-restricted lesions in the cerebral white matter. The aim of this study was to describe clinical and imaging findings of patients...
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Comparison of the Osteoporosis Self-Assessment Tool for Asians and the fracture risk assessment tool - FRAX to identify densitometric defined osteoporosis: A discriminatory value analysis in a multi-ethnic female population in Southeast Asia

Chandran M, Chin YA, Choo KS, Ang WC, Huang XF, Liu XM, Tay D, Aung TKK, Ali A, Thu WPP, Logan S, Yan SX, Lekamwasam S, Hao Y

Objectives: The accuracy of FRAX® as a screening tool to identify osteoporosis and how it compares with tools such as Osteoporosis Self-Assessment Tool for Asians (OSTA), in Southeast Asian women...
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Application of Three Dimensional Printed Models in Congenital Heart Surgery: Surgeon’s Perspective

Kim H, Choo KS, Sung SC, Choi KH, Lee HD, Ko H, Byun JH, Cho BH

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Application of Three-Dimensional Printed Models in Congenital Heart Surgery: Surgeon's Perspective

Kim H, Choo KS, Sung SC, Choi KH, Lee HD, Ko H, Byun JH, Cho BH

To treat congenital heart disease, it is important to understand the anatomical structure correctly. Three-dimensional (3D) printed models of the heart effectively demonstrate the structural features of congenital heart disease....
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Volumetric change of the latissimus dorsi muscle after postoperative radiotherapy in immediate breast reconstruction with an extended latissimus dorsi musculocutaneous flap

Park TS, Seo JY, Razzokov A, Choi JS, Kim MW, Lee JW, Kim HY, Jung YJ, Choo KS, Song KH, Nam SB

Background This study aimed to determine the magnitude of volume reduction of the latissimus dorsi (LD) muscle after treatment using only postoperative radiotherapy (PORTx) in patients who underwent immediate breast...
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Simultaneous Assessment of Left Ventricular Function and Coronary Artery Anatomy by Third-generation Dual-source Computed Tomography Using a Low Radiation Dose

Lee JW, Nam KJ, Kim JY, Jeong YJ, Lee G, Park SM, Lim SJ, Choo KS

BACKGROUND: To assess left ventricular function and coronary artery simultaneously by third-generation dual-source computed tomography (CT) using a low radiation dose. METHODS: A total of 48 patients (36 men, 12 women;...
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Image Quality and Radiation Dose in CT Venography Using Model-Based Iterative Reconstruction at 80 kVp versus Adaptive Statistical Iterative Reconstruction-V at 70 kVp

Park C, Choo KS, Kim JH, Nam KJ, Lee JW, Kim JY

OBJECTIVE: To compare the objective and subjective image quality indicators and radiation doses of computed tomography (CT) venography performed using model-based iterative reconstruction (MBIR) at 80 kVp and adaptive statistical...
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Volumetric change of the latissimus dorsi muscle after immediate breast reconstruction with an extended latissimus dorsi musculocutaneous flap

Nam SB, Oh HC, Choi JY, Bae SH, Choo KS, Kim HY, Lee SH, Lee JW

BACKGROUND: In immediate breast reconstruction using an extended latissimus dorsi musculocutaneous (eLDMC) flap, the volume of the flap decreases, which causes a secondary deformity of the breast shape. Since little...
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User-Friendly Vendor-Specific Guideline for Pediatric Cardiothoracic Computed Tomography Provided by the Asian Society of Cardiovascular Imaging Congenital Heart Disease Study Group: Part 1. Imaging Techniques

Hong SH, Goo HW, Maeda E, Choo KS, Tsai IC, Asian Society of Cardiovascular Imaging Congenital Heart Disease Study Group

Optimal performance of pediatric cardiothoracic computed tomography (CT) is technically challenging and may need different approaches for different types of CT scanners. To meet the technical demands and improve clinical...
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Contralateral Internal Mammary Lymphadenopathy Mimicking Metastasis in a Patient with a History of Breast Cancer and Prior Interstitial Mammoplasty by Paraffin Injection: MRI, PET-CT, and Pathological Findings

Nam KJ, Choo KS, Kim JY

Foreign body injections into breasts may produce foreign body reactions, fibrosis, and local swelling of involved lymph nodes, which can be misdiagnosed as metastasis or malignancy. Here, the authors report...
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Comparison of Image Qualities of 80 kVp and 120 kVp CT Venography Using Model-Based Iterative Reconstruction at Same Radiation Dose

Baek HJ, Choo KS, Nam KJ, Hwang JY, Lee JW, Kim JY, Jung HJ

PURPOSE: To compare image qualities of 80 kVp CT venography (CTV) and 120 kVp CTV by model-based iterative reconstruction (MBIR) at the same radiation dose. MATERIALS AND METHODS: Sixty-nine patients that...
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Non-Coronary Findings on Cardiac Computed Tomography in Adults: What Radiologists Should Know

Lee JW, Lee G, Ahn J, Choo KS, Jeong YJ

Cardiac computed tomography (CT) is useful for the assessment of both non-coronary cardiac disease and coronary artery disease. Various non-coronary applications are recommended in the guidelines for cardiac CT published...
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Percutaneous transhepatic hepatic venous stenting after extracorporeal hepatic resection and autotransplantation: A case report

Park JH, Jeon UB, Choo KS, Kim TU, Chu CW, Ryu JH

We report a case of percutaneous transhepatic stent placement for the treatment of hepatic venous outflow obstruction after extracorporeal hepatic resection and autotransplantation. A 63-year-old woman with a large mass...
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Morphologic Features of Puncture Sites after ExoSeal Vascular Closure Device Implantation: Changes on Follow-Up Computed Tomography

Ryu H, Jang JY, Kim TU, Lee JW, Park JH, Choo KS, Cho M, Yoon KT, Hong YM, Jeon UB

PURPOSE: The study aimed to evaluate the morphologic changes in transarterial chemoembolization (TACE) puncture sites implanted with an ExoSeal vascular closure device (VCD) using follow-up computed tomography (CT). MATERIALS AND METHODS:...
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Predictive Value of Cardiac Magnetic Resonance Imaging-Derived Myocardial Strain for Poor Outcomes in Patients with Acute Myocarditis

Lee JW, Jeong YJ, Lee G, Lee NK, Lee HW, Kim JY, Choi BS, Choo KS

OBJECTIVE: To evaluate the utility of cardiovascular magnetic resonance (CMR)-derived myocardial strain measurement for the prediction of poor outcomes in patients with acute myocarditis. MATERIALS AND METHODS: We retrospectively analyzed data...
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Stereotactic vacuum-assisted breast biopsy under lateral decubitus position

Lee SH, Jung YJ, Jung HJ, Kim JY, Choo KS, Nam KJ, Kim HY

PURPOSE: Stereotactic vacuum-assisted breast biopsy (VAB) has been established as a standard method for histological diagnosis of microcalcification or nonpalpable breast lesions on mammography. Generally, the procedure has been done...
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Radiologically-Placed Venous Ports in Children Under Venous Anesthesia

Jang JY, Jeon UB, Choo KS, Hwang JY, Kim YW, Lee YJ, Nam SO, Lim YT

PURPOSE: To evaluate the efficacy and safety of radiologic venous port placement in children under venous anesthesia. MATERIALS AND METHODS: Between April 2009 and July 2011, 44 ports were implanted in...
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