Gray matter concentration abnormality in brains of narcolepsy patients.

abstract：OBJECTIVE:Although three-dimensional time-of-flight magnetic resonance angiography (3D TOF-MRA) is used frequently as a follow-up tool to assess the response of arteriovenous malformations (AVMs) after radiosurgery, the diagnostic accuracy of 3D TOF-MRA is not well known. We evaluated the diagnostic accuracy of contras...

journal_title：Korean journal of radiology

authors： Lee KE,Choi CG,Choi JW,Choi BS,Lee DH,Kim SJ,Kwon DH

更新日期：2009-07-01 00:00:00

abstract：Objective:To evaluate the current status of managing adverse reactions to iodinated contrast media (ICM) for computed tomography in referral hospitals in South Korea compared with hospitals in other countries. Materials and Methods:This survey investigation involved 59 Korean and 15 overseas hospitals using guideline-...

journal_title：Korean journal of radiology

authors： Han S,Yoon SH,Lee W,Choi YH,Kang DY,Kang HR

更新日期：2019-01-01 00:00:00

abstract：OBJECTIVE:We wanted to evaluate the impact of two reconstruction algorithms (halfscan and multisector) on the image quality and the accuracy of measuring the severity of coronary stenoses by using a pulsating cardiac phantom with different heart rates (HRs). MATERIALS AND METHODS:Simulated coronary arteries with diffe...

journal_title：Korean journal of radiology

authors： Wang YT,Yang CY,Hsiao JK,Liu HM,Lee WJ,Shen Y

更新日期：2009-05-01 00:00:00

abstract：OBJECTIVE:We have used diffusion tensor tractography (DTT) for the evaluation of the somatotopic organization of corticospinal tracts (CSTs) in the posterior limb of the internal capsule (PLIC) and cerebral peduncle (CP). MATERIALS AND METHODS:We imaged the brains of nine healthy right-handed subjects. We used a spin-...

journal_title：Korean journal of radiology

authors： Park JK,Kim BS,Choi G,Kim SH,Choi JC,Khang H

更新日期：2008-05-01 00:00:00

abstract：Objective:To compare the diagnostic performance of electrocardiogram (ECG)-gated thoracic computed tomography angiography (TCTA) without heart rate (HR) control in ischemic stroke patients with coronary CTA (CCTA) in non-stroke patients for detection of significant coronary artery stenosis. Materials and Methods:From ...

journal_title：Korean journal of radiology

authors： Song I,Kang JH,Kim MY,Hwang HK,Kim HY,Ko SM

更新日期：2018-09-01 00:00:00

abstract：OBJECTIVE:To compare the effectiveness of radiofrequency ablation (RFA) combined with transcatheter arterial chemoembolization (TACE) with surgical resection in patients with a single hepatocellular carcinoma (HCC) ranging from 2 to 5 cm. MATERIALS AND METHODS:The study participants were enrolled over a period of 29 m...

journal_title：Korean journal of radiology

authors： Kim JW,Shin SS,Kim JK,Choi SK,Heo SH,Lim HS,Hur YH,Cho CK,Jeong YY,Kang HK

更新日期：2013-07-01 00:00:00

abstract：:Over the last few years, percutaneous radiofrequency (RF) ablation has been successfully established as a viable treatment modality for small peripheral renal cell carcinoma (RCC). This technique is limited by central tumor location and tumor size. We report the interventional management of a 5.3 cm mixed RCC with cen...

journal_title：Korean journal of radiology

authors： Mahnken AH,Penzkofer T,Bruners P,Günther RW,Brehmer B

更新日期：2009-09-01 00:00:00

abstract：OBJECTIVE:To analyze the diagnostic accuracy and trend in screening mammography in Korea. MATERIALS AND METHODS:We retrospectively linked the information from hospitals participating in the Alliance of Breast Cancer Screening in Korea (ABCS-K) and the database of the National Cancer Screening Program. We calculated pe...

journal_title：Korean journal of radiology

authors： Lee EH,Kim KW,Kim YJ,Shin DR,Park YM,Lim HS,Park JS,Kim HW,Kim YM,Kim HJ,Jun JK

更新日期：2016-07-01 00:00:00

abstract：OBJECTIVE:To investigate the predictive value of intraplaque neovascularization (IPN) for cardiovascular outcomes. MATERIALS AND METHODS:We evaluated 217 patients with coronary artery disease (CAD) (158 men; mean age, 68 ± 10 years) with a maximal carotid plaque thickness ≥ 1.5 mm for the presence of IPN using contras...

journal_title：Korean journal of radiology

authors： Chung H,Kim BY,Kim HS,Kim HO,Lee JM,Woo JS,Kim JB,Kim WS,Kim KS,Kim W

更新日期：2020-07-01 00:00:00

abstract：:Radiologic findings of Middle East respiratory syndrome (MERS), a novel coronavirus infection, have been rarely reported. We report a 30-year-old male presented with fever, abdominal pain, and diarrhea, who was diagnosed with MERS. A chest computed tomographic scan revealed rapidly developed multifocal nodular consoli...

journal_title：Korean journal of radiology

authors： Choi WJ,Lee KN,Kang EJ,Lee H

更新日期：2016-01-01 00:00:00

abstract：:We report here on a 26-year-old pregnant female who developed hirsutism and virilization during her third trimester along with a significantly elevated serum testosterone level. Abdominal US and MR imaging studies were performed, and they showed unique imaging features that may suggest the diagnosis of pregnancy luteo...

journal_title：Korean journal of radiology

authors： Kao HW,Wu CJ,Chung KT,Wang SR,Chen CY

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVE:We wanted to present our experiences for performing transradial cerebral angiography during the learning period, and we also wanted to demonstrate this procedure's technical feasibility and utility in various clinical situations. MATERIALS AND METHODS:Thirty-two patients were enrolled in the study. All of th...

journal_title：Korean journal of radiology

authors： Kim JH,Park YS,Chung CG,Park KS,Chung DJ,Kim HJ

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:To evaluate the interobserver agreement, diagnostic value, and associated clinical factors of automated breast ultrasound (ABUS) coronal features in differentiating breast lesions. MATERIALS AND METHODS:This study enrolled 457 pathologically confirmed lesions in 387 female (age, 46.4 ± 10.3 years), including...

journal_title：Korean journal of radiology

authors： Tang G,An X,Xiang H,Liu L,Li A,Lin X

更新日期：2020-05-01 00:00:00

abstract：:A 36-year-old man was diagnosed with a right temporal lobe grade II cerebral arteriovenous malformation (cAVM) and was treated with radiosurgery. At nine months after the cAVM radiosurgery, the patient began to develop bilateral focal narrowing at the M1 segments of the bilateral middle cerebral arteries. The narrowin...

journal_title：Korean journal of radiology

authors： Wu TC,Guo WY,Wu HM,Chang FC,Shiau CY,Chung WY

更新日期：2008-07-01 00:00:00

abstract：:Azygous vein aneurysm is a rare congenital lesion that needs to be differentiated from mediastinal mass lesions. Although almost of these anomalies are asymptomatic lesions, we experienced an interesting case in which a thrombus within an azygous vein aneurysm in a 75-year-old woman caused pulmonary thromboembolism. T...

journal_title：Korean journal of radiology

authors： Yang JY,Kim DH,Lee JH,Suk EH

更新日期：2011-11-01 00:00:00

abstract：OBJECTIVE:To evaluate the inter-group differences in growth and the pathological results of nodular ground-glass opacities (GGOs) according to their size and focal solid portions. MATERIALS AND METHODS:Ninety-six nodular GGOs in 55 individuals followed by CT for at least one month from an initial chest CT were include...

journal_title：Korean journal of radiology

authors： Lee HJ,Goo JM,Lee CH,Yoo CG,Kim YT,Im JG

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVE:To assess magnetic resonance imaging (MRI) features of coronary microembolization in a swine model induced by small-sized microemboli, which may cause microinfarcts invisible to the naked eye. MATERIALS AND METHODS:Eleven pigs underwent intracoronary injection of small-sized microspheres (42 µm) and catheter...

journal_title：Korean journal of radiology

authors： Jin H,Yun H,Ma J,Chen Z,Chang S,Zeng M

更新日期：2016-01-01 00:00:00

abstract：:In Asia, mammography following the injection of foreign materials into the breasts for cosmetic augmentation is frequently seen and diagnosis based on the typical radiologic findings is straightforward. We report the unusual radiologic findings in two patients with foreign body granulomas caused by injected foreign ma...

journal_title：Korean journal of radiology

authors： Han BK,Choe YH,Ko YH,Nam SJ,Yang JH

更新日期：2001-04-01 00:00:00

abstract：OBJECTIVE:To evaluate the association of MRI features with the major genomic profiles and prognosis of World Health Organization grade III (G3) gliomas compared with those of glioblastomas (GBMs). MATERIALS AND METHODS:We enrolled 76 G3 glioma and 155 GBM patients with pathologically confirmed disease who had pretreat...

journal_title：Korean journal of radiology

authors： Hong EK,Choi SH,Shin DJ,Jo SW,Yoo RE,Kang KM,Yun TJ,Kim JH,Sohn CH,Park SH,Won JK,Kim TM,Park CK,Kim IH,Lee ST

更新日期：2021-02-01 00:00:00

abstract：:We present here the radiological findings of a rare case of multiple focal nodular hyperplasia that was associated with portal vein atresia and portopulmonary hypertension in a young woman. This case illustrates and supports the pathophysiological hypotheses that were previously proposed for the coexistence of these t...

journal_title：Korean journal of radiology

authors： Lee IJ,Jeong SH,Choi JW,Park HS,Lee KH,Kim H

更新日期：2008-07-01 00:00:00

abstract：:A 64-year-old male patient with liver cirrhosis underwent a CT study for hepatocellular carcinoma surveillance, which demonstrated a 1.4-cm hypervascular subcapsular tumor in the liver. On gadoxetic acid-enhanced MRI, the tumor showed brisk arterial enhancement and persistent hyperenhancement in the portal phase, but ...

journal_title：Korean journal of radiology

authors： An C,Park S,Choi YJ

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVE:Concurrent low brain and high liver uptake are sometimes observed on fluorine-18-labeled fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET). We investigated the potential clinical significance of this uptake pattern related to metabolic syndrome (MS). MATERIALS AND METHODS:We retrospectively r...

journal_title：Korean journal of radiology

authors： Nam HY,Jun S,Pak K,Kim IJ

更新日期：2017-03-01 00:00:00

abstract：:This paper reports on issues relating to the optimal use of gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid magnetic resonance imaging (Gd-EOB-DTPA MR imaging) together with the generation of consensus statements from a working group meeting, which was held in Seoul, Korea (2010). Gd-EOB-DTPA has been show...

journal_title：Korean journal of radiology

authors： Lee JM,Zech CJ,Bolondi L,Jonas E,Kim MJ,Matsui O,Merkle EM,Sakamoto M,Choi BI

更新日期：2011-07-01 00:00:00

abstract：OBJECTIVE:We wanted to investigate the hemodynamic effect of fenestrated stents on the renal arteries with using a fluid structure interaction method. MATERIALS AND METHODS:Two representative patients who each had abdominal aortic aneurysm that was treated with fenestrated stent grafts were selected for the study. 3D ...

journal_title：Korean journal of radiology

authors： Sun Z,Chaichana T

更新日期：2010-01-01 00:00:00

abstract：:Enhanced z-axis coverage with thin overlapping slices in breath-hold acquisitions with multidetector CT (MDCT) has considerably enhanced the quality of multiplanar 3D reconstruction. This pictorial essay describes the improvements in 3D reconstruction and technical aspects of 3D reconstruction and rendering techniques...

journal_title：Korean journal of radiology

authors： Maher MM,Kalra MK,Sahani DV,Perumpillichira JJ,Rizzo S,Saini S,Mueller PR

更新日期：2004-01-01 00:00:00

abstract：:We describe the imaging features of two cases of biliary ascariasis. Ultrasonography and CT showed no specific abnormal findings, but MR cholangiography clearly demonstrated an intraductal linear filling defect that led to the correct diagnosis. MR cholangiography is thus a useful technique for the diagnosis of biliar...

journal_title：Korean journal of radiology

authors： Hwang CM,Kim TK,Ha HK,Kim PN,Lee MG

更新日期：2001-07-01 00:00:00

abstract：:(11)C-methionine (Met) positron emission tomography (PET) is one of the most commonly used PET tracers for evaluating brain tumors. However, few reports have described tips and pitfalls of (11)C-Met PET for general practitioners. Physiological (11)C-Met uptake, anatomical variations, vascular disorders, non-tumorous l...

journal_title：Korean journal of radiology

authors： Ito K,Matsuda H,Kubota K

更新日期：2016-05-01 00:00:00

abstract：OBJECTIVE:To assess the feasibility of T2*-corrected fat-signal fraction (FF) map by using the three-echo volume interpolated breath-hold gradient echo (VIBE) Dixon sequence to differentiate between malignant marrow-replacing lesions and benign red marrow deposition of vertebrae. MATERIALS AND METHODS:We assessed 32 l...

journal_title：Korean journal of radiology

authors： Kim YP,Kannengiesser S,Paek MY,Kim S,Chung TS,Yoo YH,Yoon CS,Song HT,Lee YH,Suh JS

更新日期：2014-11-01 00:00:00

abstract：:[This corrects the article on p. 1153 in vol. 16, PMID: 26355278.]. ...

journal_title：Korean journal of radiology

authors： Yoon JH,Son JW,Chung H,Park CH,Kim YJ,Chang HJ,Hong GR,Kim TH,Ha JW,Choi BW,Rim SJ,Chung N,Choi EY

更新日期：2015-11-01 00:00:00

abstract：:CT is increasingly being used for evaluating the cardiovascular structures and airways in the patients with congenital heart disease. Multi-slice CT has traditionally been used for the evaluation of the extracardiac vascular and airway abnormalities because of its inherent high spatial resolution and excellent air-tis...

journal_title：Korean journal of radiology

authors： Goo HW

更新日期：2010-01-01 00:00:00