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Differentiation between Clear Cell Sarcoma of the Kidney and Wilms’ Tumor with CT

Kang C, Shin HJ, Yoon H, Han JW, Lyu CJ, Lee MJ

Objective: Clear cell sarcoma of the kidney (CCSK) is the second-most common but extremely rare primary renal malignancy in children after Wilms’ tumor. The aims of this study were to...
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Short-term comparative study of three-dimensional and two-dimensional laparoscopic surgery for total extraperitoneal primary inguinal hernia repair

Kim AY, Choi SI, Yeom JH

Purpose: The aim of this study was to compare the short-term outcomes of two-dimensional (2D) and three-dimensional (3D) laparoscopic surgery for total extraperitoneal (TEP) primary inguinal hernia repair. Methods: This was...
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Virtual Monochromatic Image Quality from Dual-Layer Dual-Energy Computed Tomography for Detecting Brain Tumors

Tanoue S, Nakaura T, Nagayama Y, Uetani H, Ikeda O, Yamashita Y

Objective: To evaluate the usefulness of virtual monochromatic images (VMIs) obtained using dual-layer dual-energy CT (DL-DECT) for evaluating brain tumors. Materials and Methods: This retrospective study included 32 patients with brain...
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Validation of Deep-Learning Image Reconstruction for Low-Dose Chest Computed Tomography Scan: Emphasis on Image Quality and Noise

Kim JH, Yoon HJ, Lee E, Kim I, Cha YK, Bak SH

Objective: Iterative reconstruction degrades image quality. Thus, further advances in image reconstruction are necessary to overcome some limitations of this technique in low-dose computed tomography (LDCT) scan of the chest....
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Abdominal Digital Radiography with a Novel Post-Processing Technique: Phantom and Patient Studies

Kang H, Lee ES, Park HJ, Park BK, Park JY, Suh SW

Purpose The aim of this study was to evaluate the diagnostic image quality of low dose abdominal digital radiography processed with a new post-processing technique. Materials and Methods Abdominal radiographs from...
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Advanced neoplasia detection using chromoendoscopy and white light colonoscopy for surveillance in patients with inflammatory bowel disease

Kim KO, Chiorean MV

Background/Aims: Chromoendoscopy (CE) has been shown to be superior to white light endoscopy (WLE) for neoplasia detection in inflammatory bowel disease (IBD). We aimed to compare the yield of CE...
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Myocardial Coverage and Radiation Dose in Dynamic Myocardial Perfusion Imaging Using Third-Generation Dual-Source CT

Takafuji M, Kitagawa K, Ishida M, Goto Y, Nakamura S, Nagasawa N, Sakuma H

OBJECTIVE: Third-generation dual-source computed tomography (3rd-DSCT) allows dynamic myocardial CT perfusion imaging (dynamic CTP) with a 10.5-cm z-axis coverage. Although the increased radiation exposure associated with the 50% wider scan...
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Method for Automated Selection of the Trabecular Area in Digital Periapical Radiographic Images Using Morphological Operations

Sela EI, Pulungan R, Widyaningrum R, Shantiningsih RR

OBJECTIVES: The aim of this study is to propose a method that automatically select the trabecular bone area in digital periapical radiographic images using a sequence of morphological operations. METHODS: The...
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MRI Features of Atypical Cavernous Hemangioma Showing Central Filling Defect: A Case Report

Kim MH, Yu IK

Cavernous hemangioma is a benign tumor composed of vascular structures and connective tissue. Typical imaging findings of cavernous sinus cavernous hemangioma are a well-defined contour-bulging mass, with homogeneous high signal...
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Does Multiphasic Contrast Enhanced Fluid Attenuated Inversion Recovery Magnetic Resonance Imaging Enhance the Detectability of Small Intracerebral Metastases?

Kim JH, Yi KS, Choi CH, Woo ST, Cha SH

PURPOSE: To determine adequate timing of acquisition of contrast-enhanced fluid attenuated inversion recovery (FLAIR) by using multiphasic contrast-enhanced FLAIR magnetic resonance imaging (MRI) and to evaluate added value in detecting...
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Image-Enhanced Endoscopy in Lower Gastrointestinal Diseases: Present and Future

Lee HH, Lee BI

From dye-assisted conventional chromoendoscopy to novel virtual chromoendoscopy, image-enhanced endoscopy (IEE) is continuously evolving to meet clinical needs and improve the quality of colonoscopy. Dye-assisted chromoendoscopy using indigo carmine or...
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Multispectral X-ray imaging to distinguish among dental materials

Peter AC, Schnaubelt M, Gente M

PURPOSE: Dual-energy X-ray imaging is widely used today in various areas of medicine and in other applications. However, no similar technique exists for dental applications. In this study, we propose...
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Repeat analysis of intraoral digital imaging performed by undergraduate students using a complementary metal oxide semiconductor sensor: An institutional case study

Yusof MY, Rahman NL, Asri AA, Othman NI, Wan Mokhtar I

PURPOSE: This study was performed to quantify the repeat rate of imaging acquisitions based on different clinical examinations, and to assess the prevalence of error types in intraoral bitewing and...
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International guidelines for contrast-enhanced ultrasonography: ultrasound imaging in the new millennium

Nolsøe CP, Lorentzen

The intent of this review is to discuss and comment on common clinical scenarios in which contrast-enhanced ultrasonography (CEUS) may play a decisive role and to illustrate important points with...
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The efficacy of the reverse contrast mode in digital radiography for the detection of proximal dentinal caries

Miri S, Mehralizadeh S, Sadri D, Motamedi M, Soltani P

PURPOSE: This study evaluated the diagnostic accuracy of the reverse contrast mode in intraoral digital radiography for the detection of proximal dentinal caries, in comparison with the original digital radiographs. MATERIALS...
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The effects of noise reduction, sharpening, enhancement, and image magnification on diagnostic accuracy of a photostimulable phosphor system in the detection of non-cavitated approximal dental caries

Kajan ZD, Tayefeh Davalloo R, Tavangar M, Valizade F

PURPOSE: Contrast, sharpness, enhancement, and density can be changed in digital systems. The important question is to what extent the changes in these variables affect the accuracy of caries detection. MATERIALS...
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Contrast-enhanced ultrasonography: advance and current status in abdominal imaging

Chung YE, Kim KW

In the field of contrast-enhanced ultrasonography (US), contrast agents are classified as either first- or second-generation agents depending on the gas within the microbubbles. In the case of first-generation contrast...
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Contrast-enhanced endoscopic ultrasonography: advance and current status

Jang SI, Lee DK

  • KMID: 2319352
  • Ultrasonography.
  • 2014 Jul;33(3):161-169.
Endoscopic ultrasonography (EUS) technology has undergone a great deal of progress along with the color and power Doppler imaging, three-dimensional imaging, electronic scanning, tissue harmonic imaging, and elastography, and one...
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Equipment-Based Image-Enhanced Endoscopy for Differentiating Colorectal Polyps

Koo JS

The use of colonoscopy for the screening and surveillance of colorectal cancer has increased. However, the miss rate of advanced colorectal neoplasm is known to be 2% to 6%, which...
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Image enhancement of digital periapical radiographs according to diagnostic tasks

Choi JW, Han WJ, Kim EK

PURPOSE: This study was performed to investigate the effect of image enhancement of periapical radiographs according to the diagnostic task. MATERIALS AND METHODS: Eighty digital intraoral radiographs were obtained from patients...
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