解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Background Among breast cancer survivors, detecting a breast cancer when it is asymptomatic (rather than symptomatic) improves survival; thus, imaging surveillance in these patients is warranted. Digital breast tomosynthesis (DBT) is used for screening, but data on DBT for surveillance in this high-risk population are...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020201854
更新日期:2021-02-01 00:00:00
abstract::Background Virtual unenhanced (VUE) images obtained by using a dual-energy CT (DECT) multimaterial decomposition algorithm hold promise for diagnostic use in the abdomen in lieu of true unenhanced (TUE) images. Purpose To assess VUE images obtained from a DECT multimaterial decomposition algorithm in patients undergoi...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2021192448
更新日期:2021-01-19 00:00:00
abstract::Background Identification of large vessel occlusion (LVO) is critical to the management of acute ischemic stroke and prerequisite to endovascular therapy in recent trials. Increasing volumes and data complexity compel the development of fast, reliable, and automated tools for LVO detection to facilitate acute imaging ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2021202734
更新日期:2021-01-12 00:00:00
abstract::Background Normalized iodine concentration (NIC) (ratio of iodine concentration of liver to that of aorta) of liver at delayed dual-energy CT (DECT) may reflect the amount of fibrosis based on the extent of iodine uptake. Purpose To stage liver fibrosis by using 5-minute delayed DECT and compare findings with those of...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2021202232
更新日期:2021-01-05 00:00:00
abstract::Background The coronavirus disease 2019 (COVID-19) pandemic has spread across the globe with alarming speed, morbidity, and mortality. Immediate triage of patients with chest infections suspected to be caused by COVID-19 using chest CT may be of assistance when results from definitive viral testing are delayed. Purpos...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2020202439
更新日期:2021-01-01 00:00:00
abstract::Background CT deep learning reconstruction (DLR) algorithms have been developed to remove image noise. How the DLR affects image quality and radiation dose reduction has yet to be fully investigated. Purpose To investigate a DLR algorithm's dose reduction and image quality improvement for pediatric CT. Materials and M...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020202317
更新日期:2021-01-01 00:00:00
abstract::Background Modern high-spatial-resolution radiologic methods enable increasingly detailed volumetric postmortem investigations of human neuroanatomy for diagnostic, research, and educational purposes. Purpose To evaluate the viability of postmortem x-ray phase-contrast micro-CT to provide tissue-conserving, high-spati...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020201622
更新日期:2021-01-01 00:00:00
abstract::Background Intimate partner violence (IPV) is a global social and public health problem, but published literature regarding the exacerbation of physical IPV during the coronavirus disease 2019 (COVID-19) pandemic is lacking. Purpose To assess the incidence, patterns, and severity of injuries in IPV victims during the ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020202866
更新日期:2021-01-01 00:00:00
abstract::Background The full-scale airway network (FAN) flow model shows excellent agreement with limited functional imaging data but requires further validation prior to clinical use. Purpose To validate the ventilation distributions computed with the FAN flow model with xenon ventilation from xenon-enhanced dual-energy (DE) ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020202485
更新日期:2021-01-01 00:00:00
abstract::Current management of osteoarthritis (OA) is primarily focused on symptom control. Intra-articular corticosteroid (IACS) injections are often used for pain management of hip and knee OA in patients who have not responded to oral or topical analgesics. Recent case series suggested that negative structural outcomes incl...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.2020200771
更新日期:2020-12-01 00:00:00
abstract::Background Water signal contamination is a major challenge for direct ultrashort echo time (UTE) imaging of myelin in vivo because water contributes most of the signals detected in white matter. Purpose To validate a new short repetition time (TR) adiabatic inversion recovery (STAIR) prepared UTE (STAIR-UTE) sequence ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020200425
更新日期:2020-11-01 00:00:00
abstract::MRI is firmly established as an essential modality in the imaging of the temporal bone and lateral skull base. It is used to evaluate normal anatomic structures, evaluate for vestibular schwannomas, assess for inflammatory and/or infectious processes, and detect residual and/or recurrent cholesteatoma. It is also exte...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.2020201767
更新日期:2020-11-01 00:00:00
abstract::Background During the peak of the coronavirus disease 2019 (COVID-19) pandemic, the authors noted an increase in positive lower-extremity CT angiography examinations in patients who presented with leg ischemia. The goal of this study was to determine whether lower-extremity arterial thrombosis was associated with COVI...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020202348
更新日期:2020-11-01 00:00:00
abstract::Background Mammography screening reduces breast cancer mortality, but a proportion of breast cancers are missed and are detected at later stages or develop during between-screening intervals. Purpose To develop a risk model based on negative mammograms that identifies women likely to be diagnosed with breast cancer be...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020201620
更新日期:2020-11-01 00:00:00
abstract::Background Improving the differentiation of uterine sarcomas from atypical leiomyomas remains a clinical challenge and is needed to avoid inappropriate surgery. Purpose To develop a diagnostic algorithm including diffusion-weighted MRI criteria to differentiate malignant uterine sarcomas from benign atypical leiomyoma...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020191658
更新日期:2020-11-01 00:00:00
abstract::Background Existing guidelines are inconsistent regarding the indications for staging brain MRI in patients with newly diagnosed, early-stage non-small cell lung cancer (NSCLC). Purpose To evaluate the diagnostic yield of staging brain MRI in the initial evaluation of lung cancer. Materials and Methods This retrospect...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020201194
更新日期:2020-11-01 00:00:00
abstract:: Online supplemental material is available for this article. ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020201697
更新日期:2020-10-01 00:00:00
abstract::HistoryA 63-year-old woman with a history of left mastectomy for breast cancer and partial gastrectomy with Roux-en-Y reconstruction for nonhealing peptic ulcer presented to the emergency department and reported a 1-month history of abdominal distention, fevers, chills, and flu-like symptoms. She was initially suspect...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020190436
更新日期:2020-10-01 00:00:00
abstract:: Online supplemental material is available for this article. ...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.2020201724
更新日期:2020-10-01 00:00:00
abstract::Background Relevance of antiangiogenic treatment with bevacizumab in patients with glioblastoma is controversial because progression-free survival benefit did not translate into an overall survival (OS) benefit in randomized phase III trials. Purpose To perform longitudinal characterization of intratumoral angiogenesi...
journal_title:Radiology
pub_type: 杂志文章,随机对照试验
doi:10.1148/radiol.2020200978
更新日期:2020-10-01 00:00:00
abstract::Background It is uncertain whether a deep learning-based automatic detection algorithm (DLAD) for identifying malignant nodules on chest radiographs will help diagnose lung cancers. Purpose To evaluate the efficacy of using a DLAD in observer performance for the detection of lung cancers on chest radiographs. Material...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020200165
更新日期:2020-09-01 00:00:00
abstract::HistoryAn 18-year-old man was diagnosed with precursor B-cell lymphoblastic leukemia and underwent transplantation of hematopoietic stem cells from his human leukocyte antigen-matched sister 1 year prior to admission. He was admitted to evaluate progressive shortness of breath and dry cough of 1-month duration. He did...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020182477
更新日期:2020-09-01 00:00:00
abstract::Background Patients with wrist trauma and negative findings on radiographs often undergo additional MRI examinations to assess for radiographically occult fractures. Dual-energy CT may be more readily available than MRI in some settings. Purpose To evaluate the diagnostic test accuracy of dual-energy CT in helping det...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020192701
更新日期:2020-09-01 00:00:00
abstract::Background Chest CT is used in the diagnosis of coronavirus disease 2019 (COVID-19) and is an important complement to reverse-transcription polymerase chain reaction (RT-PCR) tests. Purpose To investigate the diagnostic value and consistency of chest CT as compared with RT-PCR assay in COVID-19. Materials and Methods ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020200642
更新日期:2020-08-01 00:00:00
abstract::Background Assessment of femoral torsion at preoperative hip imaging is commonly recommended. However, it is unclear whether MRI is as accurate as CT and how different methods affect femoral torsion measurements. Purpose To compare MRI- and CT-based assessment of femoral torsion by using four commonly used measurement...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020192723
更新日期:2020-08-01 00:00:00
abstract::Background Increased cerebral signal intensity (SI) has been reported in patients undergoing MRI with gadolinium-based contrast agents (GBCAs). Published data on gadobenate dimeglumine have been somewhat contradictory. Purpose To evaluate the relationship between dosage of gadobenate dimeglumine and SI change at MRI f...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020190246
更新日期:2020-07-01 00:00:00
abstract::Background Growing evidence indicates an association between cerebral microhemorrhages (MHs) and amyloid β accumulation in Alzheimer disease (AD), but to the knowledge of the authors the association with tau burden is unknown. Purpose To investigate the association between cerebral MH load and tau pathologic structure...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020191904
更新日期:2020-07-01 00:00:00
abstract::Background Chest CT is used to assess the severity of lung involvement in coronavirus disease 2019 (COVID-19). Purpose To determine the changes in chest CT findings associated with COVID-19 from initial diagnosis until patient recovery. Materials and Methods This retrospective review included patients with real-time p...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020200370
更新日期:2020-06-01 00:00:00
abstract::Background Comprehensive assessments of the frequency and associated doses from radiologic and nuclear medicine procedures are rarely conducted. The use of these procedures and the population-based radiation dose increased remarkably from 1980 to 2006. Purpose To determine the change in per capita radiation exposure i...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020192256
更新日期:2020-05-01 00:00:00
abstract::Background The hardware and software differences between MR vendors and individual sites influence the quantification of MR spectroscopy data. An analysis of a large data set may help to better understand sources of the total variance in quantified metabolite levels. Purpose To compare multisite quantitative brain MR ...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2020191037
更新日期:2020-04-01 00:00:00
abstract::Background Intracranial atherosclerosis is an important cause of ischemic stroke and is associated with several vascular risk factors. Current imaging is mainly based on the assessment of luminal narrowing rather than abnormalities in the vessel wall. Purpose To investigate the relationship between vascular risk facto...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2020190643
更新日期:2020-04-01 00:00:00
abstract::The Quantitative Imaging Biomarkers Alliance (QIBA) Profile for fluorodeoxyglucose (FDG) PET/CT imaging was created by QIBA to both characterize and reduce the variability of standardized uptake values (SUVs). The Profile provides two complementary claims on the precision of SUV measurements. First, tumor glycolytic a...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2019191882
更新日期:2020-03-01 00:00:00
abstract::Background Early stage hepatocellular carcinoma (HCC) is the ideal candidate for resection in patients with preserved liver function; however, cancer will recur in half of these patients and no reliable prognostic tool has been established. Purpose To investigate the effectiveness of radiomic features in predicting tu...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2020191470
更新日期:2020-03-01 00:00:00
abstract::Background Trends in noninvasive diagnostic imaging (NDI) utilization rates have predominantly been reported in Medicare enrollees. To the authors' knowledge, there has been no prior direct comparison of utilization rates between Medicare and commercially insured patients. Purpose To analyze trends in NDI utilization ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2019191116
更新日期:2020-02-01 00:00:00
abstract::Background Management of abdominal branches associated with Stanford type B aortic dissection is controversial without definite criteria for therapy after thoracic endovascular aortic repair (TEVAR). This is in part due to lack of data on natural history related to branch vessels and their relationship with the dissec...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2019190598
更新日期:2020-02-01 00:00:00
abstract::BackgroundThe performance of PET/MRI in the determination of distant metastases (M stage) in rectal cancer relative to the current practice with contrast material-enhanced CT is largely unknown.PurposeTo compare the staging of clinical M stage rectal cancer with fluorine 18 fluorodeoxyglucose (FDG) PET/MRI (including ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2019190794
更新日期:2020-02-01 00:00:00
abstract::Background Impaired brain development in fetuses with congenital heart disease (CHD) may result from inadequate cerebral oxygen supply in utero. Purpose To test whether fetal cerebral oxygenation can be increased by maternal oxygen administration, effects of maternal hyperoxia on blood oxygenation of the placenta and ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2019190751
更新日期:2020-01-01 00:00:00
abstract::Background Cardiac MRI late gadolinium enhancement (LGE) scar volume is an important marker for outcome prediction in patients with hypertrophic cardiomyopathy (HCM); however, its clinical application is hindered by a lack of measurement standardization. Purpose To develop and evaluate a three-dimensional (3D) convolu...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2019190737
更新日期:2020-01-01 00:00:00
abstract::Background Most lymphatic imaging examinations of the lower limb require intradermal or subcutaneous injection of tracer material into the foot to demonstrate the lymphatic vessels; however, no standard protocol exists, and single or multiple injections are applied at different sites. Purpose To determine the three-di...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2019191169
更新日期:2020-01-01 00:00:00
abstract::HistoryA 55-year-old man with a history of chronic pancreatitis secondary to chronic alcohol abuse presented to the hospital with acute abdominal pain, generalized weakness, weight loss, and pyrexia. A clinical examination revealed he was tender to touch in the upper abdomen. Laboratory tests revealed a serum alkaline...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2019171373
更新日期:2020-01-01 00:00:00