abstract：:Background Previous studies have suggested that texture analysis is a promising tool in the diagnosis, characterization, and assessment of treatment response in various cancer types. Therefore, application of texture analysis may be helpful for early prediction of pathologic response in breast cancer. Purpose To inves...

journal_title：Radiology

authors： Eun NL,Kang D,Son EJ,Park JS,Youk JH,Kim JA,Gweon HM

更新日期：2020-01-01 00:00:00

abstract：:Background Results of recent phantom studies show that variation in CT acquisition parameters and reconstruction techniques may make radiomic features largely nonreproduceable and of limited use for prognostic clinical studies. Purpose To investigate the effect of CT radiation dose and reconstruction settings on the r...

journal_title：Radiology

authors： Meyer M,Ronald J,Vernuccio F,Nelson RC,Ramirez-Giraldo JC,Solomon J,Patel BN,Samei E,Marin D

更新日期：2019-12-01 00:00:00

abstract：:BackgroundThe performance of a deep learning (DL) algorithm should be validated in actual clinical situations, before its clinical implementation.PurposeTo evaluate the performance of a DL algorithm for identifying chest radiographs with clinically relevant abnormalities in the emergency department (ED) setting.Materi...

journal_title：Radiology

authors： Hwang EJ,Nam JG,Lim WH,Park SJ,Jeong YS,Kang JH,Hong EK,Kim TM,Goo JM,Park S,Kim KH,Park CM

更新日期：2019-12-01 00:00:00

abstract：:Background MRI with hepatobiliary contrast material is more sensitive than MRI with extracellular contrast material in the detection of hepatocellular carcinoma (HCC). Purpose To determine whether postsurgical outcomes differ between patients who undergo MRI with hepatobiliary contrast material and those who undergo M...

journal_title：Radiology

authors： Kim DK,An C,Chung YE,Choi JY,Lim JS,Park MS,Kim MJ

更新日期：2019-12-01 00:00:00

abstract：:Background Several changes have been made to the revised 2017 international consensus guidelines for management of pancreatic intraductal papillary mucinous neoplasms (IPMNs). However, the diagnostic performance is yet to be verified. Purpose To evaluate the revised guidelines for predicting malignant potential of pan...

journal_title：Radiology

authors： Lee JE,Choi SY,Min JH,Yi BH,Lee MH,Kim SS,Hwang JA,Kim JH

更新日期：2019-10-01 00:00:00

abstract：:BackgroundMethylphenidate (MPH) is highly effective in treating attention-deficit/hyperactivity disorder (ADHD). However, not much is known about its effect on the development of human brain white matter (WM).PurposeTo determine whether MPH modulates WM microstructure in an age-dependent fashion in a randomized double...

journal_title：Radiology

authors： Bouziane C,Filatova OG,Schrantee A,Caan MWA,Vos FM,Reneman L

更新日期：2019-10-01 00:00:00

abstract：:History A 47-year-old Sudanese man without a known remarkable medical history presented to the emergency department for a syncopal episode. The patient denied chest pain, dyspnea, focal weakness, or prior similar episodes. He was originally from north Sudan and eventually moved to Saudi Arabia, where he worked as a fa...

journal_title：Radiology

authors： Handran CB,Hurwitz Koweek LM,Mammarappallil JG

更新日期：2019-10-01 00:00:00

abstract：:Background Traumatic brachial plexus injuries affect 1% of patients involved in major trauma. MRI is the best test for traumatic brachial plexus injuries, although its ability to differentiate root avulsions (which require urgent reconstructive surgery) from other types of nerve injury remains unknown. Purpose To eval...

journal_title：Radiology

authors： Wade RG,Takwoingi Y,Wormald JCR,Ridgway JP,Tanner S,Rankine JJ,Bourke G

更新日期：2019-10-01 00:00:00

abstract：:Background In the absence of randomized studies, it has been controversial whether the likelihood of acute kidney injury (AKI) differs between intravenous and intra-arterial contrast agent administration. Purpose To compare intravenous versus intra-arterial contrast agent administration in relationship to AKI and anal...

journal_title：Radiology

authors： Schönenberger E,Martus P,Bosserdt M,Zimmermann E,Tauber R,Laule M,Dewey M

更新日期：2019-09-01 00:00:00

abstract：:Background Glomerulonephritis refers to renal diseases characterized by glomerular and tubulointerstitial fibrosis. Multifrequency US time-harmonic elastography enables the noninvasive quantification of tissue elasticity. Purpose To assess the diagnostic performance of US time-harmonic elastography for the early detec...

journal_title：Radiology

authors： Grossmann M,Tzschätzsch H,Lang ST,Guo J,Bruns A,Dürr M,Hoyer BF,Grittner U,Lerchbaumer M,Nguyen Trong M,Schultz M,Hamm B,Braun J,Sack I,Marticorena Garcia SR

更新日期：2019-09-01 00:00:00

abstract：:Background In the United States, patients have the right to access their protected health information. However, to the knowledge of the authors, no study has evaluated the patient request process and the barriers to patient access of their radiology images. Purpose To assess U.S. hospital compliance with federal regul...

journal_title：Radiology

authors： Lye CT,Krumholz HM,Eckroate JE,Daniel JG,deBronkart D,Mann MK,Hsiao AL,Forman HP

更新日期：2019-08-01 00:00:00

abstract：:Background Available methods to quantify regional dynamic thoracic function in thoracic insufficiency syndrome (TIS) are limited. Purpose To evaluate the use of quantitative dynamic MRI to depict changes in regional dynamic thoracic function before and after surgical correction of TIS. Materials and Methods Images fro...

journal_title：Radiology

authors： Tong Y,Udupa JK,McDonough JM,Wileyto EP,Capraro A,Wu C,Ho S,Galagedera N,Talwar D,Mayer OH,Torigian DA,Campbell RM

更新日期：2019-07-01 00:00:00

abstract：:Background Screening breast MRI is recommended for women with BRCA mutation or a history of chest radiation, but guidelines are equivocal for MRI screening of women with a personal history of breast cancer or high-risk lesion. Purpose To evaluate screening breast MRI performance across women with different elevated br...

journal_title：Radiology

authors： Sippo DA,Burk KS,Mercaldo SF,Rutledge GM,Edmonds C,Guan Z,Hughes KS,Lehman CD

更新日期：2019-07-01 00:00:00

abstract：:Background Supine or prone positioning of the patient on the gantry table is the current standard of care for CT-guided lung biopsy; positioning biopsy side down was hypothesized to be associated with lower pneumothorax rate. Purpose To assess the effect of positioning patients biopsy side down during CT-guided lung b...

journal_title：Radiology

authors： Drumm O,Joyce EA,de Blacam C,Gleeson T,Kavanagh J,McCarthy E,McDermott R,Beddy P

更新日期：2019-07-01 00:00:00

abstract：:Background Acute stroke because of basilar artery occlusion (BAO) represents 1% of all ischemic strokes. However, recanalization rates and treatment outcome for the different pathologic subtypes of BAO stroke are not fully understood. Purpose To compare the recanalization rate and clinical outcomes of mechanical throm...

journal_title：Radiology

authors： Baik SH,Park HJ,Kim JH,Jang CK,Kim BM,Kim DJ

更新日期：2019-06-01 00:00:00

abstract：:Patients who carry the BRCA1 and BRCA2 gene mutations have an underlying genetic predisposition for breast and ovarian cancers. These deleterious genetic mutations are the most common genes implicated in hereditary breast and ovarian cancers. This monograph summarizes the evidence behind current screening recommendati...

journal_title：Radiology

authors： Elezaby M,Lees B,Maturen KE,Barroilhet L,Wisinski KB,Schrager S,Wilke LG,Sadowski E

更新日期：2019-06-01 00:00:00

abstract：:Background Isocitrate dehydrogenase (IDH) mutation has become one of the most important prognostic biomarkers in glioma management. Measurement of 2-hydroxyglutarate (2HG) with MR spectroscopy has shown high pooled sensitivity, although false-positive results with MR spectroscopy have been reported. Purpose To investi...

journal_title：Radiology

authors： Suh CH,Kim HS,Paik W,Choi C,Ryu KH,Kim D,Woo DC,Park JE,Jung SC,Choi CG,Kim SJ

更新日期：2019-06-01 00:00:00

abstract：:Background Thermal ablation of cancers may be associated with high rates of local tumor progression. A thermal accelerant gel has been developed to improve the transmission of microwave energy in biologic tissues with the aim of enlarging the thermal ablation zone. Purpose To determine the effects of a thermal acceler...

journal_title：Radiology

authors： Maxwell AWP,Park WKC,Baird GL,Martin DW,Lombardo KA,Dupuy DE

更新日期：2019-05-01 00:00:00

abstract：:Background Dual-energy (DE) CT allows reconstruction of virtual noncontrast (VNC) images from a single-phase contrast agent-enhanced examination, potentially reducing the need for multiphasic CT to characterize renal lesions. However, data regarding diagnostic performance of VNC images for the characterization of rena...

journal_title：Radiology

authors： Meyer M,Nelson RC,Vernuccio F,González F,Farjat AE,Patel BN,Samei E,Henzler T,Schoenberg SO,Marin D

更新日期：2019-05-01 00:00:00

abstract：:Background MRI with fluorine 19 (19F) probes has shown an ability to track immune cell activity with a specific, stable, and quantitative signal. In addition, the chemical shift differences of selected 19F probes make dual-probe imaging possible. To improve 19F MRI sensitivity for dual-probe imaging, optimal fluorine ...

journal_title：Radiology

authors： Chirizzi C,De Battista D,Tirotta I,Metrangolo P,Comi G,Bombelli FB,Chaabane L

更新日期：2019-05-01 00:00:00

abstract：:Background Radiomics extracts features from medical images more precisely and more accurately than visual assessment. However, radiomics features are affected by CT scanner parameters such as reconstruction kernel or section thickness, thus obscuring underlying biologically important texture features. Purpose To inves...

journal_title：Radiology

authors： Orlhac F,Frouin F,Nioche C,Ayache N,Buvat I

更新日期：2019-04-01 00:00:00

abstract：:Background The Alberta Stroke Program Early CT Score (ASPECTS) evaluation is a qualitative method to evaluate focal hypoattenuation at brain CT in early acute stroke. However, interobserver agreement is only moderate. Purpose To compare ASPECTS calculated by using an automatic software tool to neuroradiologist evaluat...

journal_title：Radiology

authors： Maegerlein C,Fischer J,Mönch S,Berndt M,Wunderlich S,Seifert CL,Lehm M,Boeckh-Behrens T,Zimmer C,Friedrich B

更新日期：2019-04-01 00:00:00

abstract：:Purpose To assess the impact of a patient experience improvement program on national ranking in patient experience in a large academic radiology department. Materials and Methods This Health Insurance Portability and Accountability Act-compliant study was exempted from institutional review board approval. After initia...

journal_title：Radiology

authors： Kapoor N,Yan Z,Wang A,Wickner P,Kachalia A,Boland G,Khorasani R

更新日期：2019-04-01 00:00:00

abstract：:Purpose To report the impact of changing from screen-film mammography to digital mammography (DM) in a large organized national screening program. Materials and Methods A retrospective analysis of prospectively collected annual screening data from 2009-2010 to 2015-2016 for the 80 facilities of the English National He...

journal_title：Radiology

authors： Blanks RG,Wallis MG,Alison R,Kearins O,Jenkins J,Patnick J,Given-Wilson RM

更新日期：2019-03-01 00:00:00

abstract：:Purpose To reduce radiotracer requirements for amyloid PET/MRI without sacrificing diagnostic quality by using deep learning methods. Materials and Methods Forty data sets from 39 patients (mean age ± standard deviation [SD], 67 years ± 8), including 16 male patients and 23 female patients (mean age, 66 years ± 6 and ...

journal_title：Radiology

authors： Chen KT,Gong E,de Carvalho Macruz FB,Xu J,Boumis A,Khalighi M,Poston KL,Sha SJ,Greicius MD,Mormino E,Pauly JM,Srinivas S,Zaharchuk G

更新日期：2019-03-01 00:00:00

abstract：:Purpose To compare the prognostic performances of clinical T categorization between the longest diameter and average diameter at CT in patients who underwent surgical resection of non-small cell lung cancers (NSCLCs). Materials and Methods This study retrospectively determined clinical T categories based on the longes...

journal_title：Radiology

authors： Kim H,Goo JM,Kim YT,Park CM

更新日期：2019-03-01 00:00:00

abstract：:Purpose To investigate the prognostic value of circumferential left ventricular (LV) strain measured by using cardiac MRI for prediction of major adverse cardiac events (MACE) following an acute ST-segment-elevation myocardial infarction (STEMI). Materials and Methods Participants with acute STEMI were prospectively e...

journal_title：Radiology

authors： Mangion K,Carrick D,Carberry J,Mahrous A,McComb C,Oldroyd KG,Eteiba H,Lindsay M,McEntegart M,Hood S,Petrie MC,Watkins S,Davie A,Zhong X,Epstein FH,Haig CE,Berry C

更新日期：2019-02-01 00:00:00

abstract：:Purpose The Radiological Society of North America (RSNA) Pediatric Bone Age Machine Learning Challenge was created to show an application of machine learning (ML) and artificial intelligence (AI) in medical imaging, promote collaboration to catalyze AI model creation, and identify innovators in medical imaging. Materi...

journal_title：Radiology

authors： Halabi SS,Prevedello LM,Kalpathy-Cramer J,Mamonov AB,Bilbily A,Cicero M,Pan I,Pereira LA,Sousa RT,Abdala N,Kitamura FC,Thodberg HH,Chen L,Shih G,Andriole K,Kohli MD,Erickson BJ,Flanders AE

更新日期：2019-02-01 00:00:00

abstract：:Purpose To compare long-term graft and patient survival after percutaneous angioplasty (PTA) or stent placement for transplant renal artery stenosis (TRAS) with a control cohort without TRAS. Materials and Methods This is a retrospective matched cohort study of 41 patients (median age, 49 years; range, 18-72 years), i...

journal_title：Radiology

authors： Patel U,Kumar S,Johnson OW,Jeon JH,Das R

更新日期：2019-02-01 00:00:00

abstract：:Purpose To develop and validate a deep learning algorithm that predicts the final diagnosis of Alzheimer disease (AD), mild cognitive impairment, or neither at fluorine 18 (18F) fluorodeoxyglucose (FDG) PET of the brain and compare its performance to that of radiologic readers. Materials and Methods Prospective 18F-FD...

journal_title：Radiology

authors： Ding Y,Sohn JH,Kawczynski MG,Trivedi H,Harnish R,Jenkins NW,Lituiev D,Copeland TP,Aboian MS,Mari Aparici C,Behr SC,Flavell RR,Huang SY,Zalocusky KA,Nardo L,Seo Y,Hawkins RA,Hernandez Pampaloni M,Hadley D,Franc BL

更新日期：2019-02-01 00:00:00

abstract：:Purpose To evaluate the safety and efficacy of palliative treatment of patients with pathologic pelvic by using fluoroscopy and cone-beam CT needle guidance software to perform percutaneous fixation by internal cemented screw (FICS). Materials and Methods This single-center study involved retrospective analysis of 100...

journal_title：Radiology

authors： Roux C,Tselikas L,Yevich S,Sandes Solha R,Hakime A,Teriitehau C,Gravel G,de Baere T,Deschamps F

更新日期：2019-02-01 00:00:00

abstract：:Purpose To compare the diagnostic performance of minimally invasive autopsy with that of conventional autopsy. Materials and Methods For this prospective, single-center, cross-sectional study in an academic hospital, 295 of 2197 adult cadavers (mean age: 65 years [range, 18-99 years]; age range of male cadavers: 18-99...

journal_title：Radiology

authors： Blokker BM,Weustink AC,Wagensveld IM,von der Thüsen JH,Pezzato A,Dammers R,Bakker J,Renken NS,den Bakker MA,van Kemenade FJ,Krestin GP,Hunink MGM,Oosterhuis JW

更新日期：2018-12-01 00:00:00

abstract：:Purpose To determine if the change in tumor apparent diffusion coefficient (ADC) at diffusion-weighted (DW) MRI is predictive of pathologic complete response (pCR) to neoadjuvant chemotherapy for breast cancer. Materials and Methods In this prospective multicenter study, 272 consecutive women with breast cancer were e...

journal_title：Radiology

authors： Partridge SC,Zhang Z,Newitt DC,Gibbs JE,Chenevert TL,Rosen MA,Bolan PJ,Marques HS,Romanoff J,Cimino L,Joe BN,Umphrey HR,Ojeda-Fournier H,Dogan B,Oh K,Abe H,Drukteinis JS,Esserman LJ,Hylton NM,ACRIN 6698 Trial Team a

更新日期：2018-12-01 00:00:00

abstract：:Purpose To evaluate whether dual-selectin-targeted US molecular imaging allows longitudinal monitoring of anti-inflammatory treatment effects in an acute terminal ileitis model in swine. Materials and Methods The Institutional Animal Care and Use Committee approved all animal studies. Fourteen swine with chemically in...

journal_title：Radiology

authors： Wang H,Hyvelin JM,Felt SA,Guracar I,Vilches-Moure JG,Cherkaoui S,Bettinger T,Tian L,Lutz AM,Willmann JK

更新日期：2018-10-01 00:00:00

abstract：:Purpose To identify wall enhancement patterns on vessel wall MRI that discriminate between stable and unstable unruptured intracranial aneurysm (UIA). Materials and Methods Patients were included from November 2012 through January 2016. Vessel wall MR images were acquired at 3 T in patients with stable (incidental and...

journal_title：Radiology

authors： Edjlali M,Guédon A,Ben Hassen W,Boulouis G,Benzakoun J,Rodriguez-Régent C,Trystram D,Nataf F,Meder JF,Turski P,Oppenheim C,Naggara O

更新日期：2018-10-01 00:00:00

abstract：:Purpose To cross-validate T1-weighted oxygen-enhanced (OE) MRI measurements of tumor hypoxia with intrinsic susceptibility MRI measurements and to demonstrate the feasibility of translation of the technique for patients. Materials and Methods Preclinical studies in nine 786-0-R renal cell carcinoma (RCC) xenografts an...

journal_title：Radiology

authors： Little RA,Jamin Y,Boult JKR,Naish JH,Watson Y,Cheung S,Holliday KF,Lu H,McHugh DJ,Irlam J,West CML,Betts GN,Ashton G,Reynolds AR,Maddineni S,Clarke NW,Parker GJM,Waterton JC,Robinson SP,O'Connor JPB

更新日期：2018-09-01 00:00:00

abstract：:Purpose To identify risk factors for hippocampal calcifications and to investigate the association between hippocampal calcifications and cognitive function. Materials and Methods For this retrospective study, consecutive patients visiting a memory clinic at a Dutch general hospital between April 2009 and April 2015 w...

journal_title：Radiology

authors： de Brouwer EJM,Kockelkoren R,Claus JJ,de Jonghe A,Geerlings MI,Jongsma TEF,Mali WPTM,Hendrikse J,de Jong PA,Koek HL

更新日期：2018-09-01 00:00:00

abstract：:Purpose To identify features at preoperative magnetic resonance (MR) imaging that could predict favorable prognosis after curative resection of pancreatic ductal adenocarcinoma (PDAC). Materials and Methods From January 2009 to December 2014, this retrospective study included 143 patients with surgically resected (ie,...

journal_title：Radiology

authors： Lee S,Kim SH,Park HK,Jang KT,Hwang JA,Kim S

更新日期：2018-08-01 00:00:00

abstract：:History A 57-year-old woman presented with right breast swelling and enlargement and a palpable mass in the right lower inner breast. There was no history of fever, trauma, skin redness, or nipple discharge. The patient had a history of breast augmentation, with retropectoral silicone implants placed 2.5 years ago. Sc...

journal_title：Radiology

authors： Eisenberg AM,Eppelheimer CN,Fulop TA,Abramson LL

更新日期：2018-08-01 00:00:00

abstract：:Purpose To report the results of dual-time-point gallium 68 (68Ga) prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/magnetic resonance (MR) imaging prior to prostatectomy in patients with intermediate- or high-risk cancer. Materials and Methods Thirty-three men who underwent conventional...

journal_title：Radiology

authors： Park SY,Zacharias C,Harrison C,Fan RE,Kunder C,Hatami N,Giesel F,Ghanouni P,Daniel B,Loening AM,Sonn GA,Iagaru A

更新日期：2018-08-01 00:00:00