Imaging Spectrum and Pitfalls of (11)C-Methionine Positron Emission Tomography in a Series of Patients with Intracranial Lesions.

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：:Diabetes mellitus (DM) can accompany many musculoskeletal (MSK) diseases. It is difficult to distinguish the DM-related MSK diseases based on clinical symptoms alone. Sonography is frequently used as a first imaging study for these MSK symptoms and is helpful to differentiate the various DM-related MSK diseases. This ...

journal_title：Korean journal of radiology

authors： Park M,Park JS,Ahn SE,Ryu KN,Park SY,Jin W

更新日期：2016-03-01 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:To evaluate the upgrade rate and delayed false-negative results of percutaneous vacuum-assisted removal (VAR) and surgical excision in women with imaging-histologic discordance during ultrasound (US)-guided automated core needle biopsy (CNB) of the breast and to validate the role of VAR as a rebiopsy method f...

journal_title：Korean journal of radiology

authors： Sohn YM,Yoon JH,Kim EK,Moon HJ,Kim MJ

更新日期：2014-11-01 00:00:00

abstract：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 iterative reconstruction (ASIR)-V at 70 kVp. MATERIALS AND METHODS:Eighty-three patients w...

journal_title：Korean journal of radiology

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

更新日期：2019-07-01 00:00:00

abstract：:We report successful outcomes after endovascular placement of a stent graft in a 74- and a 77-year-old men, both of whom had malignant superior vena cava syndrome caused by squamous cell carcinoma. In each patient, successful palliation of the malignant superior vena cava syndrome was achieved by placement of a stent ...

journal_title：Korean journal of radiology

authors： Gwon DI,Paik SH

更新日期：2012-03-01 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：: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: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：:Recent advances in computer technology have generated a new area of research known as radiomics. Radiomics is defined as the high throughput extraction and analysis of quantitative features from imaging data. Radiomic features provide information on the gray-scale patterns, inter-pixel relationships, as well as shape ...

journal_title：Korean journal of radiology

authors： Lee SH,Park H,Ko ES

更新日期：2020-07-01 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 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：: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 evaluate the feasibility of texture analysis on non-contrast-enhanced T1 maps of cardiac magnetic resonance (CMR) imaging for the diagnosis of myocardial injury in acute myocardial infarction (MI). MATERIALS AND METHODS:This study included 68 patients (57 males and 11 females; mean age, 55.7 ± 10.5 years)...

journal_title：Korean journal of radiology

authors： Ma Q,Ma Y,Yu T,Sun Z,Hou Y

更新日期：2020-11-30 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 evaluate the accuracy of magnetic resonance imaging (MRI) with lumen distention for rectal cancer staging and circumferential resection margin (CRM) involvement prediction. MATERIALS AND METHODS:Seventy-three patients with primary rectal cancer underwent high-resolution MRI with a phased-array coil perfor...

journal_title：Korean journal of radiology

authors： Iannicelli E,Di Renzo S,Ferri M,Pilozzi E,Di Girolamo M,Sapori A,Ziparo V,David V

更新日期：2014-01-01 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 document the causes of high signal intensity of the meniscus which is not caused by definite meniscal tears on MR imaging, through correlation with histological examination. MATERIALS AND METHODS:For the correlation between the MR image and histology, we obtained prospectively 31 meniscal specimens from 2...

journal_title：Korean journal of radiology

authors： Li CA,Kim MK,Kim IH,Lee JH,Jang KY,Lee SY

更新日期：2013-11-01 00:00:00

abstract：OBJECTIVE:To retrospectively evaluate the frequency and risk factors for developing thrombus in a systemic vein such as the infrarenal inferior vena cava or the iliac vein, in which a balloon-occluded retrograde transvenous obliteration (B-RTO) catheter was indwelled. MATERIALS AND METHODS:Forty-nine patients who unde...

journal_title：Korean journal of radiology

authors： Yoshimatsu R,Yamagami T,Tanaka O,Miura H,Okuda K,Hashiba M,Nishimura T

更新日期：2012-05-01 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：: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: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：OBJECTIVE:To retrospectively compare treatment of hepatocellular carcinoma (HCC) with transarterial chemoembolization (TACE) using gelatin sponges or microspheres plus lipiodol-doxorubicin vs. doxorubicin-loaded drug-eluting beads (DEB). MATERIALS AND METHODS:A total of 158 patients with HCC received TACE from Novembe...

journal_title：Korean journal of radiology

authors： Liu YS,Ou MC,Tsai YS,Lin XZ,Wang CK,Tsai HM,Chuang MT

更新日期：2015-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to describe MR findings of osteofibrous dysplasia. MATERIALS AND METHODS:MR images of 24 pathologically proven osteofibrous dysplasia cases were retrospectively analyzed for a signal intensity of the lesion, presence of intralesional fat signal, internal hypointense band, multilocul...

journal_title：Korean journal of radiology

authors： Jung JY,Jee WH,Hong SH,Kang HS,Chung HW,Ryu KN,Kim JY,Im SA,Park JM,Sung MS,Lee YS,Hong SJ,Jung CK,Chung YG

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to examine the feasibility of perfusion imaging of the brain using the Z-score and subtraction dynamic images obtained from susceptibility contrast MR images. MATERIALS AND METHODS:Five patients, each with a normal MRI, Moya-moya, a middle cerebral artery occlusion, post-trauma synd...

journal_title：Korean journal of radiology

authors： Choi S,Liu H,Shin TB,Lee JH,Yoon SK,Oh JY,Lee YI

更新日期：2004-07-01 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：OBJECTIVE:To retrospectively compare the diagnostic performances of two different ultrasound (US)-guided core needle biopsy (CNB) techniques for intermediate or low suspicion thyroid nodules. MATERIALS AND METHODS:Between August 2015 and December 2016, two different biopsy techniques were alternatively applied for 248...

journal_title：Korean journal of radiology

authors： Hahn SY,Shin JH,Oh YL,Park KW

更新日期：2019-10-01 00:00:00

abstract：:A 63-year-old man was found in the street after overrun by a car. Postmortem CT revealed multiple bone fractures, but surprisingly all without any relevant hemorrhage which would have been expected under such circumstances. A round radiopaque formation was found in the duodenum, which was reminiscent of ingested table...

journal_title：Korean journal of radiology

authors： Simons D,Sassenberg A,Schlemmer HP,Yen K

更新日期：2014-03-01 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：OBJECTIVE:To evaluate the influence of papillary muscles and trabeculae on left ventricular (LV) cardiovascular magnetic resonance (CMR) analysis using three methods of cavity delineation (classic or modified inclusion methods, and the exclusion method) in patients with hypertrophic cardiomyopathy (HCM). MATERIALS AND...

journal_title：Korean journal of radiology

authors： Park EA,Lee W,Kim HK,Chung JW

更新日期：2015-01-01 00:00:00