Early hepatocellular carcinoma: three-phase helical CT features of 16 patients.

abstract：:Tumor-mimicking lesions in the musculoskeletal system can be defined as lesions mistaken as tumors due to the presence of palpation upon physical examination or a tumor-like appearance upon radiological examination. Moreover, tumor-mimicking lesions show diverse etiologies and anatomic locations. We illustrated the va...

journal_title：Korean journal of radiology

authors： Kim SY,Park JS,Ryu KN,Jin W,Park SY

更新日期：2011-03-01 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 evaluate urologist satisfaction on structured prostate MRI reports, including report with tumor-node-metastasis (TNM) staging (report B) and with Prostate Imaging Reporting and Data System (PI-RADS) score with/without TNM staging (report C, report with PI-RADS score only [report C-a] and report with PI-RAD...

journal_title：Korean journal of radiology

authors： Zhong J,Qin W,Li Y,Wang Y,Huan Y,Ren J

更新日期：2020-12-01 00:00:00

abstract：OBJECTIVE:We investigated low dose digital tomosynthesis (DT) for the evaluation of the paranasal sinus (PNS), and compared its diagnostic accuracy with a PNS radiography series (XR). MATERIALS AND METHODS:We enrolled 43 patients for whom XR, PNS DT, and OMU CT were performed. We measured effective doses (EDs) of XR, ...

journal_title：Korean journal of radiology

authors： Yoo JY,Chung MJ,Choi B,Jung HN,Koo JH,Bae YA,Jeon K,Byun HS,Lee KS

更新日期：2012-03-01 00:00:00

abstract：OBJECTIVE:Using a pulsating coronary artery phantom at high heart rate settings, we investigated the efficacy of a motion correction algorithm (MCA) to improve the image quality in dual-energy spectral coronary CT angiography (CCTA). MATERIALS AND METHODS:Coronary flow phantoms were scanned at heart rates of 60-100 be...

journal_title：Korean journal of radiology

authors： Xing Y,Zhao Y,Guo N,Pan CX,Azati G,Wang YW,Liu WY

更新日期：2017-11-01 00:00:00

abstract：OBJECTIVE:To determine whether the size of a perfusion defect seen at myocardial perfusion MR imaging represents the extent of irreversibly damaged myocardium in acute reperfused myocardial infarction. MATERIALS AND METHODS:In nine cats, reperfused myocardial infarction was induced by occlusion of the left anterior de...

journal_title：Korean journal of radiology

authors： Goo HW,Kim DH,Lee SS,Park SB,Lim TH

更新日期：2002-10-01 00:00:00

abstract：:Breast capillary hemangioma is a type of benign vascular tumor which is rarely seen. Little is known about its presentation on dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). Here, we describe a case of suspicious breast lesion detected by DCE-MRI and pathologically confirmed as capillary hemangioma. O...

journal_title：Korean journal of radiology

authors： Yang LH,Ma S,Li QC,Xu HT,Wang X,Wang EH

更新日期：2013-11-01 00:00:00

abstract：OBJECTIVE:To retrospectively summarize the cardiac magnetic resonance imaging (CMRI) findings of isolated noncompaction of ventricular myocardium (INVM). MATERIALS AND METHODS:Eleven patients (M:F = 9:2; mean age, 35 years) were evaluated. Steady-state free precession (SSFP), fast spin echo (SE) sequence, SSFP cine im...

journal_title：Korean journal of radiology

authors： Yun H,Zeng MS,Jin H,Yang S

更新日期：2011-11-01 00:00:00

abstract：OBJECTIVE:To describe radiologic findings of adenovirus pneumonia and to understand clinico-radiological features associated with progression to acute respiratory distress syndrome (ARDS) in patients with adenovirus pneumonia. MATERIALS AND METHODS:This study included 19 patients diagnosed with adenovirus pneumonia at...

journal_title：Korean journal of radiology

authors： Cha MJ,Chung MJ,Lee KS,Kim TJ,Kim TS,Chong S,Han J

更新日期：2016-11-01 00:00:00

abstract：:Imaging features of metastases to the urinary system may closely mimic primary urinary tract tumors, and differential diagnosis by imaging alone may be problematic or even impossible in some cases. The main purpose of this article was to familiarize radiologists with imaging findings of metastasis to the urinary syste...

journal_title：Korean journal of radiology

authors： Karaosmanoglu AD,Onur MR,Karcaaltincaba M,Akata D,Ozmen MN

更新日期：2018-07-01 00:00:00

abstract：OBJECTIVE:To evaluate the impact of energy and access methods on extrahepatic tumor spreading and the ablation zone in an ex vivo subcapsular tumor mimic model with a risk of extrahepatic tumor spreading. MATERIALS AND METHODS:Forty-two tumor-mimics were created in bovine liver blocks by injecting a mixture of iodine ...

journal_title：Korean journal of radiology

authors： Kim JS,Ko Y,Kwon H,Kim M,Lee JK

更新日期：2019-04-01 00:00:00

abstract：OBJECTIVE:To investigate whether there is a relationship between texture analysis parameters of apparent diffusion coefficient (ADC) maps and histopathologic features of MCF-7 and MDA-MB-231 xenograft models. MATERIALS AND METHODS:MCF-7 estradiol (+), MCF-7 estradiol (-), and MDA-MB-231 xenograft models were made with...

journal_title：Korean journal of radiology

authors： Yun BL,Cho N,Li M,Jang MH,Park SY,Kang HC,Kim B,Song IC,Moon WK

更新日期：2014-09-01 00:00:00

abstract：OBJECTIVE:This study was conducted to evaluate stent compression in iliac vein compression syndrome (IVCS) and to identify its association with stent patency. MATERIALS AND METHODS:Between May 2005 and June 2014, after stent placement for the treatment of IVCS with acute ilio-femoral deep vein thrombosis, follow-up CT...

journal_title：Korean journal of radiology

authors： Cho H,Kim JW,Hong YS,Lim SH,Won JH

更新日期：2015-07-01 00:00:00

abstract：OBJECTIVE:To record the MR imaging features of primary central nervous system lymphoma (PCNSL) and compare these features in monofocal and multifocal disease. MATERIALS AND METHODS:Twenty-one cases of monofocal disease were compared to five cases of multifocal disease. All patients were examined by non-enhanced and co...

journal_title：Korean journal of radiology

authors： Zhang D,Hu LB,Henning TD,Ravarani EM,Zou LG,Feng XY,Wang WX,Wen L

更新日期：2010-05-01 00:00:00

abstract：:The Korean Society of Urogenital Radiology (KSUR) aimed to present a consensus statement for patient preparation, standard technique, and pain management in relation to transrectal ultrasound-guided prostate biopsy (TRUS-Bx) to reduce the variability in TRUS-Bx methodologies and suggest a nationwide guideline. The KSU...

journal_title：Korean journal of radiology

authors： Lee MS,Moon MH,Kim CK,Park SY,Choi MH,Jung SI,Korean Society of Urogenital Radiology (KSUR).

更新日期：2020-04-01 00:00:00

abstract：:The propensity score is defined as the probability of each individual study subject being assigned to a group of interest for comparison purposes. Propensity score adjustment is a method of ensuring an even distribution of confounders between groups, thereby increasing between group comparability. Propensity score ana...

journal_title：Korean journal of radiology

authors： Baek S,Park SH,Won E,Park YR,Kim HJ

更新日期：2015-03-01 00:00:00

abstract：:Thyroid ultrasonography (US) plays a key role in the diagnosis and management of thyroid-related diseases. The aim of this article was to illustrate various pitfalls that can occur in utilizing thyroid US and techniques to prevent them. In this article, we present cases demonstrating the common pitfalls associated wit...

journal_title：Korean journal of radiology

authors： Choi SH,Kim EK,Kim SJ,Kwak JY

更新日期：2014-03-01 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：OBJECTIVE:To compare the efficacy of Mangafodipir trisodium (Mn-DPDP)-enhanced MR cholangiogrphy (MRC) and Gadobenate dimeglumine (Gd-BOPTA)-enhanced MRC in visualizing a non-dilated biliary system. MATERIALS AND METHODS:Eighty-eight healthy liver donor candidates underwent contrast-enhanced T1-weighted MRC. Mn-DPDP a...

journal_title：Korean journal of radiology

authors： Lim JS,Kim MJ,Jung YY,Kim KW

更新日期：2005-10-01 00:00:00

abstract：OBJECTIVE:We wanted to assess the MR imaging findings of ovarian cystadenofibroma and cystadenocarcinofibroma, and we wanted to find clues for making the differential diagnosis between them. MATERIALS AND METHODS:The MR images of 12 pathologically proven cystadenofibromas and two cystadenocarcinofibromas were reviewed...

journal_title：Korean journal of radiology

authors： Jung DC,Kim SH,Kim SH

更新日期：2006-07-01 00:00:00

abstract：OBJECTIVE:To investigate gray matter concentration changes in the brains of narcoleptic patients. MATERIALS AND METHODS:Twenty-nine narcoleptic patient with cataplexy and 29 age and sex-matched normal subjects (mean age, 31 years old) underwent volumetric MRIs. The MRIs were spatially normalized to a standard T1 templ...

journal_title：Korean journal of radiology

authors： Joo EY,Tae WS,Kim ST,Hong SB

更新日期：2009-11-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) of the breast is used for various indications. Contrary to computed tomography as a staging tool, breast MRI focuses on the breast parenchyma and axilla. In spite of narrow field of view, many structures such as the anterior portion of the lungs, mediastinum, bony structures and the li...

journal_title：Korean journal of radiology

authors： Suh HJ,Choi JS,Ko K

更新日期：2014-07-01 00:00:00

abstract：:The use of computed tomography (CT) in emergency departments has increased over several decades, as physicians increasingly depend on imaging for diagnoses. Patients and medical personnel are put at risk due to frequent exposure to and higher levels of radiation, with very little evidence of improvements in outcomes. ...

journal_title：Korean journal of radiology

authors： Azman RR,Shah MNM,Ng KH

更新日期：2019-03-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to compare the clinical outcomes of the cervical interlaminar epidural steroid injection (CIESI) for unilateral radiculopathy by the midline or paramedian approaches and to determine the prognostic factors of CIESI. MATERIALS AND METHODS:We retrospectively analyzed 182 patient...

journal_title：Korean journal of radiology

authors： Yoon JY,Kwon JW,Yoon YC,Lee J

更新日期：2015-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate any improvement in the quality of abdominal CTs after the utilization of the nationally based accreditation program. MATERIALS AND METHODS:Approval was obtained from the Institutional Review Board, and informed consent was waived. We retrospectively analyzed 1,011 ou...

journal_title：Korean journal of radiology

authors： Kim YS,Jung SE,Choi BG,Shin YR,Hwang SS,Ku YM,Lim YS,Lee JM

更新日期：2010-09-01 00:00:00

abstract：OBJECTIVE:The study aimed to describe portal stenting for postoperative portal occlusion with delayed (≥ 3 months) variceal bleeding in the afferent jejunal loop. MATERIALS AND METHODS:Eleven consecutive patients (age range, 2-79 years; eight men and three women) who underwent portal stenting between April 2009 and De...

journal_title：Korean journal of radiology

authors： Hyun D,Park KB,Cho SK,Park HS,Shin SW,Choo SW,Do YS,Choo IW,Choi DW

更新日期：2017-09-01 00:00:00

abstract：:We report the case in a 72-year-old man who presented with a right inguinal mass and with a one month history that was initially interpreted as an inguinal hernia. Ultrasonography (US) and computed tomography (CT) demonstrated a right inguinal mass, including myxoid and fat component, extending from the right spermati...

journal_title：Korean journal of radiology

authors： Cho HS,Woo JY,Hong HS,Yang I,Lee Y,Jung AY,Yang DH,Kim JW,Kim JW

更新日期：2013-03-01 00:00:00

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 assess diffusion tensor imaging (DTI) parameters of the hepatic parenchyma for the differentiation of biliary atresia (BA) from Alagille syndrome (ALGS). MATERIALS AND METHODS:This study included 32 infants with BA and 12 infants with ALGS groups who had undergone DTI. Fractional anisotropy (FA) and mean ...

journal_title：Korean journal of radiology

authors： Abdel Razek AAK,Abdalla A,Elfar R,Ashmalla GA,Ali K,Barakat T

更新日期：2020-12-01 00:00:00

abstract：OBJECTIVE:To investigate the diagnostic performance of contrast-enhanced ultrasound (CEUS) and its role as a second-line imaging modality after gadoxetate-enhanced MRI (Gd-EOB-MRI) in the diagnosis of hepatocellular carcinoma (HCC) among at risk observations. MATERIALS AND METHODS:We prospectively enrolled participant...

journal_title：Korean journal of radiology

authors： Kang HJ,Lee JM,Yoon JH,Han JK

更新日期：2020-11-03 00:00:00