Development of Coronary Vasospasm during Adenosine-Stress Myocardial Perfusion CT Imaging.

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：:In keeping with the increasing utilization of CT examinations, the greater concern about radiation hazards from examinations has been addressed. In this regard, CT radiation dose optimization has been given a great deal of attention by radiologists, referring physicians, technologists, and physicists. Dose-saving stra...

journal_title：Korean journal of radiology

authors： Goo HW

更新日期：2012-01-01 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 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：OBJECTIVE:The purpose of the study was to non-invasively characterize and discriminate brown adipose tissue (BAT) from white adipose tissue (WAT) in rats using spectral computed tomography (CT) with histological validation. MATERIALS AND METHODS:A lipid-containing phantom (lipid fractions from 0% to 100%) was imaged w...

journal_title：Korean journal of radiology

authors： Peng XG,Zhao Z,Chang D,Bai Y,Xu Q,Ju S

更新日期：2020-02-01 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: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：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:To evaluate the clinical efficacy as well as long-term clinical outcomes of superselective microcoil embolization for lower gastrointestinal bleeding (LGIB). MATERIALS AND METHODS:Between 1997 and 2009, 26 patients with intended transcatheter embolotherapy for LGIB were retrospectively reviewed. Embolization...

journal_title：Korean journal of radiology

authors： Teng HC,Liang HL,Lin YH,Huang JS,Chen CY,Lee SC,Pan HB

更新日期：2013-03-01 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：: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 safety and clinical efficacy of transcatheter uterine artery embolization (UAE) for post-myomectomy hemorrhage. MATERIALS AND METHODS:We identified eight female patients (age ranged from 29 to 51 years and with a median age of 37) in two regional hospitals who suffered from post-myomectomy he...

journal_title：Korean journal of radiology

authors： Wan AY,Shin JH,Yoon HK,Ko GY,Park S,Seong NJ,Yoon CJ

更新日期：2014-05-01 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：Objective:To investigate the diagnostic yield of contrast-enhanced computed tomography (CT) in Crohn's disease (CD) patients presenting with acute severe lower gastrointestinal bleeding (LGIB), and the role of CT in predicting the risk of rebleeding. Materials and Methods:A consecutive series of 110 CD patients presen...

journal_title：Korean journal of radiology

authors： Lee S,Ye BD,Park SH,Lee KJ,Kim AY,Lee JS,Kim HJ,Yang SK

更新日期：2018-11-01 00:00:00

abstract：:The rupture of an acute dissection of the ascending aorta into the space surrounding the pulmonary artery is an uncommon occurrence. No previous cases of transient pulmonary hypertension caused by a hematoma surrounding the pulmonary artery have been documented in the literature. Herein, we report a case of acute aort...

journal_title：Korean journal of radiology

authors： Kim DH,Ryu SW,Choi YS,Ahn BH

更新日期：2004-04-01 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：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 evaluate the effectiveness of ultrasound-guided radiofrequency (RF) ablation in patients with incompletely treated hepatocellular carcinoma (HCC) after transcatheter arterial chemoembolization (TACE) and to evaluate possible prognostic factors for this therapy. SUBJECTS AND METHODS:Thirty nine patients wi...

journal_title：Korean journal of radiology

authors： Chang NK,Shin SS,Kim JW,Kim HJ,Jeong YY,Heo SH,Kim JK,Kang HK

更新日期：2012-01-01 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: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：: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：:We report here on a case of extrahepatic biliary cystadenoma arising from the common hepatic duct. A 42-year-old woman was evaluated by us to find the cause of her jaundice. Ultrasonography and CT showed a cystic dilatation of the common hepatic duct and also marked dilatation of the intrahepatic duct. Direct cholangi...

journal_title：Korean journal of radiology

authors： Park JH,Lee DH,Kim HJ,Ko YT,Lim JW,Yang MH

更新日期：2004-10-01 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：:Immunoglobulin G4 (IgG4)-related kidney disease (IgG4-KD) has recently been demonstrated to be an important part of IgG4-related sclerosing disease (IgG4-SD). However, since IgG4-KD is still relatively unfamiliar to radiologists and physicians as compared to IgG4-SD involving other organs, it could, therefore, be easi...

journal_title：Korean journal of radiology

authors： Seo N,Kim JH,Byun JH,Lee SS,Kim HJ,Lee MG

更新日期：2015-09-01 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:To measure inter-protocol agreement and analyze interchangeability on nodule classification between low-dose unenhanced CT and standard-dose enhanced CT. Materials and Methods:From nodule libraries containing both low-dose unenhanced and standard-dose enhanced CT, 80 solid and 80 subsolid (40 part-solid, 40 ...

journal_title：Korean journal of radiology

authors： Lee KH,Lee KW,Park JH,Han K,Kim J,Lee SM,Park CM

更新日期：2018-05-01 00:00:00

abstract：:Alveolar soft-part sarcoma is a rare soft tissue sarcoma of young adults with unknown histogenesis, and the organ most frequently involved in metastasis is the lung. We report the CT findings of three patients of pulmonary metastases of alveolar soft-part sarcoma, which manifested as clearly enhanced pulmonary nodules...

journal_title：Korean journal of radiology

authors： Choi JI,Goo JM,Seo JB,Kim HY,Park CK,Im JG

更新日期：2000-01-01 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:The purpose of this study was to evaluate a novel radiofrequency ablation (RFA) application utilizing an adjustable electrode for treatment of benign thyroid nodules. MATERIALS AND METHODS:From April 2011 to December 2018, 21 patients underwent RFA treatment on 21 thyroid nodules, utilizing an 18-gauge inter...

journal_title：Korean journal of radiology

authors： Lee J,Shin JH,Hahn SY,Park KW,Choi JS

更新日期：2020-03-01 00:00:00

abstract：:Within six months of the discovery of X-ray in 1895, the technology was used to scan the interior of the human body, paving the way for many innovations in the field of medicine, including an ultrasound device in 1950, a CT scanner in 1972, and MRI in 1980. More recent decades have witnessed developments such as digit...

journal_title：Korean journal of radiology

authors： Kim N,Choi J,Yi J,Choi S,Park S,Chang Y,Seo JB

更新日期：2013-03-01 00:00:00