Update on Gastrointestinal Stromal Tumors for Radiologists.

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 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：: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:We wanted to evaluate the effectiveness of intraluminal irradiation with Holmium-166 ((166)Ho) for reducing the pseudointimal hyperplasia (PIH) in the transjugular intrahepatic portosystemic shunt (TIPS) tract in a swine model. MATERIALS AND METHODS:TIPS was performed in 12 domestic pigs, after the creation ...

journal_title：Korean journal of radiology

authors： Park JS,Oh JH,Kim DY,Park YK,Park SJ,Kim SJ

更新日期：2007-03-01 00:00:00

abstract：:Primary lymphoma of the uterus is a rare disease, the reported characteristic MR imaging findings being homogeneous intermediate signal intensity of the indistinct mass on T1- and T2-weighted images, and the preservation of endometrial lining and uterine architecture. We report a case of primary uterine lymphoma which...

journal_title：Korean journal of radiology

authors： Cheong IJ,Kim SH,Park CM

更新日期：2000-10-01 00:00:00

abstract：Objective:To evaluate the effectiveness, safety, and feasibility of intraoperative radiofrequency ablation (IORFA) under ultrasound guidance for the treatment of liver metastases from gastrointestinal stromal tumors (GISTs). Materials and Methods:From August 2009 to February 2017, 24 patients with liver metastases of ...

journal_title：Korean journal of radiology

authors： Yoon IS,Shin JH,Han K,Kim PN,Kim KH,Kang YK,Ko HK

更新日期：2018-01-01 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：:Ultrasound (US) is an attractive diagnostic approach to identify both common and uncommon nipple pathologies, such as duct ectasia, nipple abscess, nipple leiomyoma, nipple adenoma, fibroepithelial polyp, ductal carcinoma in situ (restricted to nipple), invasive carcinoma, and Paget's disease. US is the reliable first...

journal_title：Korean journal of radiology

authors： Chiorean A,Pintican RM,Szep M,Feier D,Rogojan L,Fetica B,Dindelegan G,Vlad B,Duma M

更新日期：2020-08-01 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：: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

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: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：:We report two cases of paratracheal air cyst discovered incidentally at neck ultrasonography and confirmed at CT. The cysts were located at the inferoposterior aspect of the right lobe of the thyroid. Ultrasonography revealed an ill-defined hypoechoic mass containing hyperechoic foci which mimicked calcifications. Nec...

journal_title：Korean journal of radiology

authors： Kim YJ,Kim EK,Kim J,Park CS

更新日期：2003-04-01 00:00:00

abstract：OBJECTIVE:To demonstrate the usefulness of 3-tesla (3T) magnetic resonance imaging (MRI) including T2-weighted imaging (T2WI), diffusion weighted imaging (DWI), time-of-flight (TOF) magnetic resonance angiography (MRA), T2*-weighted gradient recalled echo (GRE), and susceptibility weighted imaging (SWI) in diagnosing b...

journal_title：Korean journal of radiology

authors： Sohn CH,Lee HP,Park JB,Chang HW,Kim E,Kim E,Park UJ,Kim HT,Ku J

更新日期：2012-09-01 00:00:00

abstract：OBJECTIVE:To study the predictive value of transluminal attenuation gradient (TAG) derived from diastolic phase of coronary computed tomography angiography (CCTA) for identifying systolic compression of myocardial bridge (MB). MATERIALS AND METHODS:Consecutive patients diagnosed with MB based on CCTA findings and with...

journal_title：Korean journal of radiology

authors： Yu M,Zhang Y,Li Y,Li M,Li W,Zhang J

更新日期：2017-07-01 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：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:The objective of this retrospective study was to develop and validate a simple diagnostic prediction model by using ultrasound (US) features of thyroid nodules obtained from multicenter retrospective data. MATERIALS AND METHODS:Patient data were collected from 20 different institutions and the data included ...

journal_title：Korean journal of radiology

authors： Kwak JY,Jung I,Baek JH,Baek SM,Choi N,Choi YJ,Jung SL,Kim EK,Kim JA,Kim JH,Kim KS,Lee JH,Lee JH,Moon HJ,Moon WJ,Park JS,Ryu JH,Shin JH,Son EJ,Sung JY,Na DG,Korean Society of Thyroid Radiology (KSThR).,Korean S

更新日期：2013-01-01 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：: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：OBJECTIVE:This study aimed to assess the surgical morbidity and mortality of thoracic endovascular repair (TEVAR) as compared with open surgical repair (OSR) for isolated descending thoracic aortic disease. MATERIALS AND METHODS:From January 1, 2006 through May 31, 2010, a total of 68 patients with isolated descending...

journal_title：Korean journal of radiology

authors： Lee SH,Chung CH,Jung SH,Lee JW,Shin JH,Ko Ky,Yoon HK,Choo SJ

更新日期：2012-07-01 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:The purpose of this study was to evaluate the effects of localized brain cooling on blood-brain barrier (BBB) permeability following transient middle cerebral artery occlusion (tMCAO) in rats, by using dynamic contrast-enhanced (DCE)-MRI. MATERIALS AND METHODS:Thirty rats were divided into 3 groups of 10 rat...

journal_title：Korean journal of radiology

authors： Kim ES,Lee SK,Kwon MJ,Lee PH,Ju YS,Yoon DY,Kim HJ,Lee KS

更新日期：2016-09-01 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 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：OBJECTIVE:We wanted to introduce a new technique for superselective catheterization of arteries with preshaping of a micro-guide wire into a shepherd's hook form, and this is useful for superselection of small arteries branching at an acute angle from a large parent artery for the treatment of tumors and hemorrhages. ...

journal_title：Korean journal of radiology

authors： Baek JH,Chung JW,Jae HJ,Lee W,Park JH

更新日期：2007-05-01 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 test the feasibility of non-contrast magnetic resonance imaging (MRI) in a sequential imaging study for characterizing computed tomography (CT)-detected arterial-enhancing nodules that do not washout in patients at risk of hepatocellular carcinoma (HCC). MATERIALS AND METHODS:In this retrospective study, ...

journal_title：Korean journal of radiology

authors： Park SH,Kim B,Kim SY,Choi SJ,Huh J,Kim HJ,Kim KW,Lee SS

更新日期：2020-03-01 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: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