abstract：OBJECTIVE:The purpose of the current study was to develop support vector machine (SVM) and artificial neural network (ANN) models for the pre-operative prediction of advanced prostate cancer by using the parameters acquired from transrectal ultrasound (TRUS)-guided prostate biopsies, and to compare the accuracies betwe...

journal_title：Korean journal of radiology

authors： Kim SY,Moon SK,Jung DC,Hwang SI,Sung CK,Cho JY,Kim SH,Lee J,Lee HJ

更新日期：2011-09-01 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：:Rectal submucosal lesions encompass a wide variety of benign and malignant tumors involving the rectum. With optical colonoscopy, any mass-like protrusion covered by normal mucosa, whether the underlying process is intramural or extramural in origin, may be reported as a submucosal lesion. Whereas the assessment of su...

journal_title：Korean journal of radiology

authors： Kim H,Kim JH,Lim JS,Choi JY,Chung YE,Park MS,Kim MJ,Kim KW,Kim SK

更新日期：2011-07-01 00:00:00

abstract：OBJECTIVE:We wanted to evaluate the image quality, diagnostic accuracy and radiation exposure of 64-slice dual-source CT (DSCT) coronary angiography according to the heart rate in symptomatic patients during daily clinical practice. MATERIALS AND METHODS:We performed a retrospective search for the DSCT coronary angiog...

journal_title：Korean journal of radiology

authors： Moon JH,Park EA,Lee W,Yin YH,Chung JW,Park JH,Lee HY,Kang HJ,Kim HS

更新日期：2011-05-01 00:00:00

abstract：:Pericardial fat necrosis is an infrequent cause of acute chest pain and this can mimic acute myocardial infarction and acute pericarditis. We describe here a patient with the magnetic resonance imaging (MRI) findings of pericardial fat necrosis and this was correlated with the computed tomography (CT) findings. The MR...

journal_title：Korean journal of radiology

authors： Lee HH,Ryu DS,Jung SS,Jung SM,Choi SJ,Shin DH

更新日期：2011-05-01 00:00:00

abstract：:As the detection and characterization of lung nodules are of paramount importance in thoracic radiology, various tools for making a computer-aided diagnosis (CAD) have been developed to improve the diagnostic performance of radiologists in clinical practice. Numerous studies over the years have shown that the CAD syst...

journal_title：Korean journal of radiology

authors： Goo JM

更新日期：2011-03-01 00:00:00

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：OBJECTIVE:To evaluate the radiological and clinical findings of congenital cystic neuroblastomas as compared with those of the cystic presentation of neonatal adrenal hemorrhage. MATERIALS AND METHODS:We analyzed the US (n = 52), CT (n = 24), and MR (n = 4) images as well as the medical records of 28 patients harborin...

journal_title：Korean journal of radiology

authors： Eo H,Kim JH,Jang KM,Yoo SY,Lim GY,Kim MJ,Kim OH

更新日期：2011-01-01 00:00:00

abstract：:An osteosarcoma of cardiac origin is extremely rare, and a comprehensive description of MR imaging (MRI) findings of cardiac osteosarcoma and its metastasis in the femur have not been reported in the literature. We present a case of cardiac osteosarcoma in a 47-year-old woman and its metastasis to the femur, focusing ...

journal_title：Korean journal of radiology

authors： Ahn S,Choi JA,Chung JH,Choi H,Chun EJ,Choi SI,Kang HS

更新日期：2011-01-01 00:00:00

abstract：OBJECTIVE:To investigate the effects of hepatic radiofrequency ablation (RFA) in patients with malignant liver disease with respect to inflammation activation and stress response. MATERIALS AND METHODS:In an observational trial, we investigated the physiologic parameters of 17 patients (20 interventions) who underwent...

journal_title：Korean journal of radiology

authors： Schälte G,Henzler D,Waning C,Tacke J,Rossaint R,Mahnken AH

更新日期：2010-11-01 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：:The cystic lesions of the gastrointestinal (GI) tract demonstrate the various pathologic findings. Some lesions may present a diagnostic challenge because of non-specific imaging features; however, other lesions are easily diagnosed using characteristic radiologic features and anatomic locations. Cystic masses from th...

journal_title：Korean journal of radiology

authors： Lee J,Park CM,Kim KA,Lee CH,Choi JW,Shin BK,Lee SJ,Choi D,Jang KT

更新日期：2010-07-01 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：:A tumoral pseudoangiomatous stromal hyperplasia (PASH) that causes huge breast enlargement is very rare. Only two cases of huge tumoral PASHs have been reported in the English medical literature. We report here on a surgically confirmed case of bilateral huge tumoral PASH in a 47-year-old woman, and we present the ima...

journal_title：Korean journal of radiology

authors： Ryu EM,Whang IY,Chang ED

更新日期：2010-05-01 00:00:00

abstract：OBJECTIVE:To determine histopathologic findings related to the indeterminate or inadequate result of fine-needle aspiration biopsy (FNAB) in papillary thyroid carcinomas (PTCs) and to correlate histopathological findings with ultrasonographic features of tumors. MATERIALS AND METHODS:We retrospectively reviewed the me...

journal_title：Korean journal of radiology

authors： Jung SL,Jung CK,Kim SH,Kang BJ,Ahn KJ,Kim BS,Ahn MI,Im DJ,Bae JS,Chung SK

更新日期：2010-03-01 00:00:00

abstract：:Multislice CT has been widely used in clinical practice for diagnosing cardiovascular disease due to its reduced invasiveness and its high spatial and temporal resolution. As a reliable alternative to conventional pulmonary angiography, multislice CT angiography has been recognized as the first line technique for dete...

journal_title：Korean journal of radiology

authors： Sun Z,Dosari SA,Ng C,al-Muntashari A,Almaliky S

更新日期：2010-03-01 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

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：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：:Diffuse esophageal leiomyomatosis is a rare benign tumor, which can be associated with leiomyoma in female genital tracts involving the uterus, vagina, and vulva. Alport syndrome, an inherited disorder that includes the kidneys, eyes, and sensorineural hearing loss, is also rarely associated with these multiple leiomy...

journal_title：Korean journal of radiology

authors： An YS,Kim DY

更新日期：2009-11-01 00:00:00

abstract：OBJECTIVE:This study was designed to develop an automated system for quantification of various regional disease patterns of diffuse lung diseases as depicted on high-resolution computed tomography (HRCT) and to compare the performance of the automated system with human readers. MATERIALS AND METHODS:A total of 600 cir...

journal_title：Korean journal of radiology

authors： Park SO,Seo JB,Kim N,Park SH,Lee YK,Park BW,Sung YS,Lee Y,Lee J,Kang SH

更新日期：2009-09-01 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: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：:A primary fibroxanthoma of the central nervous system is very rare. We present a case of an infantile fibroxanthoma that arose from the cranial dura mater in a six-month-old girl with US, MRI and PET/CT features that mimicked a meningioma. The tumor appeared as a large, well-circumscribed echogenic mass in the right p...

journal_title：Korean journal of radiology

authors： Chung IH,Lee YS,Myong NH,Lee MJ,Lee SK,Ko JH

更新日期：2009-07-01 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：:Holoprosencephaly (HPE) and polycystic kidney disease (PKD) are genetically heterogeneous anomalies which can make up part of various syndromes or chromosomal anomalies. Due to the rapid lethality prognosis, early and precise prenatal diagnosis would be of great value. This case report describes extensive PKD involvem...

journal_title：Korean journal of radiology

authors： Koplay M,Onbas O,Alper F,Borekci B

更新日期：2009-05-01 00:00:00

abstract：OBJECTIVE:To evaluate the feasibility of CT fluoroscopy (CTF)-guided percutaneous transhepatic biliary drainage (PTBD) in emergency patients with acute obstructive cholangitis. MATERIALS AND METHODS:The study included 28 patients admitted to the emergency center due to obstructive jaundice and found to require urgent ...

journal_title：Korean journal of radiology

authors： Kim JH

更新日期：2009-03-01 00:00:00

abstract：OBJECTIVE:This preliminarily study was designed to determine and to compare the efficacy of two commercially available barium-based fecal tagging agents for CT colonography (CTC) (high-density [40% w/v] and low-density [4.6% w/v] barium suspensions) in a population in Korea. MATERIALS AND METHODS:In a population with ...

journal_title：Korean journal of radiology

authors： Kim MJ,Park SH,Lee SS,Byeon JS,Choi EK,Kim JH,Kim YN,Kim AY,Ha HK

更新日期：2009-01-01 00:00:00

abstract：:The radiological appearance of diffuse discrete pulmonary nodules associated with cryptogenic organizing pneumonia (COP) has been rarely described. We describe a case of COP in 49-year-old woman with acute myeloid leukemia who developed diffuse pulmonary nodules during the second course of induction chemotherapy. The ...

journal_title：Korean journal of radiology

authors： Ko KH,Hsu HH,Kao WY,Chang CF,Cheng MF,Huang GS

更新日期：2009-01-01 00:00:00

abstract：OBJECTIVE:While the prognostic factors of survival for patients with hepatocellular carcinoma (HCC) who underwent transarterial chemoembolization (TACE) are well known, the clinical significance of performing selective TACE for HCC patients has not been clearly documented. We tried to analyze the potential factors of d...

journal_title：Korean journal of radiology

authors： Ji SK,Cho YK,Ahn YS,Kim MY,Park YO,Kim JK,Kim WT

更新日期：2008-11-01 00:00:00

abstract：OBJECTIVE:The aim of this work was to determine the radiation dose received by infants from radiographic exposure and the contribution from scatter radiation due to radiographic exposure of other infants in the same room. MATERIALS AND METHODS:We retrospectively evaluated the entrance skin doses (ESDs) and effective d...

journal_title：Korean journal of radiology

authors： Olgar T,Onal E,Bor D,Okumus N,Atalay Y,Turkyilmaz C,Ergenekon E,Koc E

更新日期：2008-09-01 00:00:00

abstract：:We describe here a case of intraductal tubular carcinoma of the main pancreatic duct. Gadolinium-enhanced pancreas magnetic resonance (MR) imaging showed an enhancing mass that was confined in the dilated main pancreatic duct of the pancreatic body, along with dilatation of the upstream main pancreatic duct and chroni...

journal_title：Korean journal of radiology

authors： Oh DK,Kim SH,Choi SH,Jang KT

更新日期：2008-09-01 00:00:00

abstract：OBJECTIVE:To evaluate the three-phase helical CT features of early hepatocellular carcinomas, based on the new Japanese classification. MATERIALS AND METHODS:Over the course of an eight-year period, we collected 16 pathologically proven early hepatocellular carcinomas from 16 patients having undergone a three-phase he...

journal_title：Korean journal of radiology

authors： Lee J,Lee WJ,Lim HK,Lim JH,Choi N,Park MH,Kim SW,Park CK

更新日期：2008-07-01 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 narrow internal auditory canal (IAC) with duplication is a rare anomaly of the temporal bone. It is associated with congenital sensorineural hearing loss. Aplasia or hypoplasia of the vestibulocochlear nerve may cause the hearing loss. We present an unusual case of an isolated narrow IAC with duplication that was de...

journal_title：Korean journal of radiology

authors： Baik HW,Yu H,Kim KS,Kim GH

更新日期：2008-07-01 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：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：:Percutaneous interventional procedures under image guidance, such as biopsy, ethanol injection therapy, and radiofrequency ablation play important roles in the management of hepatocellular carcinomas. Although uncommon, the procedures may result in tumor implantation along the needle tract, which is a major delayed co...

journal_title：Korean journal of radiology

authors： Chang S,Kim SH,Lim HK,Kim SH,Lee WJ,Choi D,Kim YS,Rhim H

更新日期：2008-05-01 00:00:00

abstract：OBJECTIVE:To evaluate the correlations between prostate volumes estimated by transabdominal, transrectal, and three-dimensional US and the factors affecting the differences. MATERIALS AND METHODS:The prostate volumes of 94 consecutive patients were measured by both transabdominal and transrectal US. Next, the prostate...

journal_title：Korean journal of radiology

authors： Kim SH,Kim SH

更新日期：2008-03-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to develop a new method for automated lung nodule detection in serial section CT images with using the characteristics of the 3D appearance of the nodules that distinguish themselves from the vessels. MATERIALS AND METHODS:Lung nodules were detected in four steps. First, to redu...

journal_title：Korean journal of radiology

authors： Ozekes S,Osman O,Ucan ON

更新日期：2008-01-01 00:00:00