Abstract:
OBJECTIVE:This study aimed to evaluate the diagnostic value of combining the quantitative parameters of shear wave elastography (SWE) and superb microvascular imaging (SMI) to breast ultrasound (US) to differentiate between benign and malignant breast masses. MATERIALS AND METHODS:A total of 200 pathologically confirmed breast lesions in 192 patients were retrospectively reviewed using breast US with B-mode imaging, SWE, and SMI. Breast masses were assessed based on the breast imaging reporting and data system (BI-RADS) and quantitative parameters using the maximum elasticity (Emax) and ratio (Eratio) in SWE and the vascular index in SMI (SMIVI). The area under the receiver operating characteristic curve (AUC) value, sensitivity, specificity, accuracy, negative predictive value, and positive predictive value of B-mode alone versus the combination of B-mode US with SWE or SMI of both parameters in differentiating between benign and malignant breast masses was compared, respectively. Hypothetical performances of selective downgrading of BI-RADS category 4a (set 1) and both upgrading of category 3 and downgrading of category 4a (set 2) were calculated. RESULTS:Emax with a cutoff value of 86.45 kPa had the highest AUC value compared to Eratio of 3.57 or SMIVI of 3.35%. In set 1, the combination of B-mode with Emax or SMIVI had a significantly higher AUC value (0.829 and 0.778, respectively) than B-mode alone (0.719) (p < 0.001 and p = 0.047, respectively). B-mode US with the addition of Emax, Eratio, and SMIVI had the best diagnostic performance of AUC value (0.849). The accuracy and specificity increased significantly from 68.0% to 84.0% (p < 0.001) and from 46.1% to 79.1% (p < 0.001), respectively, and the sensitivity decreased from 97.6% to 90.6% without statistical loss (p = 0.199). CONCLUSION:Combining all quantitative values of SWE and SMI with B-mode US improved the diagnostic performance in differentiating between benign and malignant breast lesions.
journal_name
Korean J Radioljournal_title
Korean journal of radiologyauthors
Lee EJ,Chang YWdoi
10.3348/kjr.2019.0765subject
Has Abstractpub_date
2020-09-01 00:00:00pages
1045-1054issue
9eissn
1229-6929issn
2005-8330pii
21.1045journal_volume
21pub_type
杂志文章abstract::Pancreatic surgery remains the only curative treatment for pancreatic neoplasms, and plays an important role in the management of medically intractable diseases. Since the original Whipple operation in the 20th century, surgical techniques have advanced, resulting in decreased postoperative complications and better cl...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2017.18.2.299
更新日期:2017-03-01 00:00:00
abstract:OBJECTIVE:To evaluate the findings of brain MRI in patients with carbon disulfide poisoning. MATERIALS AND METHODS:Ninety-one patients who had suffered carbon disulfide poisoning [male:female=87:4; age, 32-74 (mean 53.3) years] were included in this study. To determine the extent of white matter hyperintensity (Grade ...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2002.3.3.158
更新日期:2002-07-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2010.11.3.355
更新日期:2010-05-01 00:00:00
abstract::Nutcracker syndrome (NCS) is a syndrome caused by compression of the left renal vein (LRV), between the abdominal aorta and the superior mesenteric artery, resulting in hypertension of the LRV and hematuria. Doppler ultrasonography (US) has been commonly used for the diagnosis of NCS. However, several technical issues...
journal_title:Korean journal of radiology
pub_type: 杂志文章,评审
doi:10.3348/kjr.2019.0084
更新日期:2019-12-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2009.10.6.552
更新日期:2009-11-01 00:00:00
abstract:OBJECTIVE:To compare the contrast-enhanced fluid-attenuated inversion recovery (CE-FLAIR), the CE T1-weighted (CE-T1W) sequence with fat suppression (FS) and magnetization transfer (MT) for early detection and characterization of infectious meningitis. MATERIALS AND METHODS:Fifty patients and 10 control subjects were ...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2017.18.6.973
更新日期:2017-11-01 00:00:00
abstract:Objective:To evaluate the ultrasonography (US) features and clinical characteristics of columnar cell variant of papillary thyroid carcinoma (CCV-PTC) that can predict disease progression. Materials and Methods:Six cases of CCV-PTC were identified via surgical pathology analysis at our institution from 1994 to 2016. T...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2018.19.5.1000
更新日期:2018-09-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2012.13.2.227
更新日期:2012-03-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2009.10.3.307
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
pub_type: 杂志文章
doi:10.3348/kjr.2014.15.3.356
更新日期:2014-05-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2015.16.1.4
更新日期:2015-01-01 00:00:00
abstract:OBJECTIVE:To evaluate the effectiveness of uterine artery embolization (UAE) for treating symptomatic fibroids with high signal intensity (SI) on magnetic resonance (MR) T2-weighted imaging (T2WI). MATERIALS AND METHODS:A total of 537 cases, consisting of 14 patients with high SI fibroids on T2WI (T2 high group), were...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2012.13.5.618
更新日期:2012-09-01 00:00:00
abstract:OBJECTIVE:The purpose of our study was to assess whether a review of multiphasic helical CT combined with the previous serial CT images could be helpful to depict a viable tumor in hepatocellular carcinoma treated with transarterial chemoembolization. MATERIALS AND METHODS:Twenty-four consecutive patients with 35 hepa...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2005.6.3.153
更新日期:2005-07-01 00:00:00
abstract:OBJECTIVE:To analyze the diagnostic accuracy and trend in screening mammography in Korea. MATERIALS AND METHODS:We retrospectively linked the information from hospitals participating in the Alliance of Breast Cancer Screening in Korea (ABCS-K) and the database of the National Cancer Screening Program. We calculated pe...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2016.17.4.489
更新日期:2016-07-01 00:00:00
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
pub_type: 杂志文章
doi:10.3348/kjr.2019.0550
更新日期:2020-07-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2009.10.4.402
更新日期:2009-07-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2009.10.1.93
更新日期:2009-01-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2017.18.5.828
更新日期:2017-09-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2011.12.3.390
更新日期:2011-05-01 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
pub_type: 杂志文章,评审
doi:10.3348/kjr.2015.16.2.286
更新日期:2015-03-01 00:00:00
abstract:Objective:To compare the T1-weighted spectral presaturation with inversion-recovery sequences (T1 SPIR) with T2-weighted turbo spin-echo sequences (T2 TSE) on 3T magnetic resonance arthrography (MRA) in the evaluation of the subscapularis (SSC) tendon tear with arthroscopic findings as the reference standard. Material...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2018.19.2.320
更新日期:2018-03-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2006.7.1.7
更新日期:2006-01-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2011.12.1.135
更新日期:2011-01-01 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
pub_type: 杂志文章,评审
doi:10.3348/kjr.2010.11.4.457
更新日期:2010-07-01 00:00:00
abstract:OBJECTIVE:To explore the in-vivo 1H- MR spectral features of adnexal lesions and to characterize the spectral patterns of various pathologic entities. MATERIALS AND METHODS:Thirty-one patients with surgically and histopathologically confirmed adnexal lesions underwent short echo-time STEAM (stimulated echo acquisition...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2002.3.2.105
更新日期:2002-04-01 00:00:00
abstract:Objective:To describe the clinical and ultrasonographic (US) findings in patients with scleredema adultorum of Buschke, who presented with sclerotic skin on their posterior neck. Materials and Methods:After obtaining IRB approval, eight patients with scleredema adultorum of Buschke were enrolled. They underwent US exa...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2018.19.3.425
更新日期:2018-05-01 00:00:00
abstract:OBJECTIVE:To assess the technical feasibility of a newly designed stent-like electrode in rabbits. MATERIALS AND METHODS:A stent-like electrode was knitted from a single thread of nitinol wire and interconnected to a generator using similar wire. In order to gauge the extent of radiofrequency ablation (RFA), we measur...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2003.4.1.19
更新日期:2003-01-01 00:00:00
abstract:Objective:To investigate the technical safety and clinical efficacy of a double-stent system with long duodenal extension in patients with malignant extrahepatic biliary obstruction. Materials and Methods:This prospective study enrolled 48 consecutive patients (31 men, 17 women; mean age, 61 years; age range, 31-77 ye...
journal_title:Korean journal of radiology
pub_type: 杂志文章
doi:10.3348/kjr.2018.19.2.230
更新日期:2018-03-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2013.14.2.218
更新日期:2013-03-01 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
pub_type: 杂志文章
doi:10.3348/kjr.2018.19.6.1089
更新日期:2018-11-01 00:00:00