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:PURPOSE:To investigate the feasibility of breast tissue characterization in terms of water, lipid, and protein contents with a spectral computed tomographic (CT) system based on a cadmium zinc telluride (CZT) photon-counting detector by using postmortem breasts. MATERIALS AND METHODS:Nineteen pairs of postmortem breas...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132732
更新日期:2014-09-01 00:00:00
abstract:PURPOSE:To compare the subjective Likert score to the Prostate Imaging Reporting and Data System (PIRADS) and morphology-location-signal intensity (MLS) scores for categorization of prostate lesions as benign or malignant at multiparametric magnetic resonance (MR) imaging. MATERIALS AND METHODS:Two hundred fifteen pat...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14131584
更新日期:2014-08-01 00:00:00
abstract:PURPOSE:To prospectively compare nonenhanced magnetic resonance (MR) imaging and ultrasonography (US) for the diagnosis of pediatric appendicitis. MATERIALS AND METHODS:This HIPAA-compliant study was approved by the institutional review board, and written informed consent was obtained from the patient's parent or guar...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132206
更新日期:2014-07-01 00:00:00
abstract:PURPOSE:To determine the diagnostic performance of magnetic resonance (MR) elastography in comparison to spleen length and dynamic contrast material-enhanced (DCE) MR imaging in association with esophageal varices in patients with liver cirrhosis by using endoscopy as the reference standard. MATERIALS AND METHODS:This...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14130916
更新日期:2014-07-01 00:00:00
abstract:PURPOSE:To evaluate whether changes in magnetic resonance (MR) imaging heterogeneity may aid assessment for pathologic complete response (pCR) to neoadjuvant chemotherapy (NACT) in primary breast cancer and to compare pCR with standard Response Evaluation Criteria in Solid Tumors response. MATERIALS AND METHODS:Instit...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14130569
更新日期:2014-07-01 00:00:00
abstract:PURPOSE:To evaluate the ability to depict anatomy and complications of renal vascular transplant with unenhanced magnetic resonance (MR) angiography with spatial labeling with multiple inversion pulses (SLEEK) and to compare the results with color Doppler (CD) ultrasonography (US), digital subtraction angiography (DSA)...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14131800
更新日期:2014-06-01 00:00:00
abstract:PURPOSE:To validate three previously identified quantitative image features across multiparametric magnetic resonance (MR) images acquired with imagers made by two different manufacturers to differentiate prostate cancer (PC) from normal prostatic tissue and to assess cancer aggressiveness. MATERIALS AND METHODS:This ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14131320
更新日期:2014-05-01 00:00:00
abstract:PURPOSE:To retrospectively determine the value of adding qualitative and quantitative axial diffusion-weighted (DW) imaging to standard spine magnetic resonance (MR) imaging to differentiate between acute osteoporotic and malignant compression fractures at 3.0 T. MATERIALS AND METHODS:The institutional ethics committe...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130399
更新日期:2014-05-01 00:00:00
abstract:PURPOSE:To characterize intracranial plaque inflammation in vivo by using three-dimensional (3D) high-spatial-resolution contrast material-enhanced black-blood (BB) magnetic resonance (MR) imaging and to investigate the relationship between intracranial plaque inflammation and cerebrovascular ischemic events. MATERIAL...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13122812
更新日期:2014-05-01 00:00:00
abstract:PURPOSE:To prospectively compare the reproducibility of normal liver apparent diffusion coefficient (ADC) measurements by using different respiratory motion compensation techniques with multiple breath-hold (MBH), free-breathing (FB), respiratory-triggered (RT), and navigator-triggered (NT) diffusion-weighted (DW) imag...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13131572
更新日期:2014-04-01 00:00:00
abstract:PURPOSE:To compare the capability to aid prediction of clinical outcome measures, including progression-free survival (PFS) and overall survival (OS), between volumetric estimates from contrast material-enhanced (CE) T1-weighted subtraction maps and traditional segmentation in a randomized multicenter clinical trial of...
journal_title:Radiology
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1148/radiol.13131305
更新日期:2014-04-01 00:00:00
abstract:PURPOSE:To determine whether apparent diffusion coefficient (ADC) values vary according to tumor-stroma ratio, dominant stroma type, or presence of central fibrosis in estrogen receptor-positive breast cancer. MATERIALS AND METHODS:Institutional review board approval was obtained, and patient consent was waived. Sixty...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13131073
更新日期:2014-04-01 00:00:00
abstract:PURPOSE:To compare the long-term therapeutic outcomes of radiofrequency (RF) ablation for small perivascular hepatocellular carcinoma (HCC) and nonperivascular HCC. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board. Between December 2004 and April 2008, 241 patients (175 men...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130753
更新日期:2014-03-01 00:00:00
abstract:PURPOSE:To evaluate the prevalence of testicular microlithiasis (TM) in children who have undergone scrotal ultrasonography (US) and their association with testicular tumors. MATERIALS AND METHODS:This HIPAA-compliant study with waiver of informed consent was approved by the institutional review board. From 2003 to 20...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130394
更新日期:2014-03-01 00:00:00
abstract:PURPOSE:To assess the benefit of adding diffusion-weighted (DW) imaging to gadoxetic acid-enhanced magnetic resonance (MR) imaging and MR cholangiopancreatography in the preoperative evaluation of hilar cholangiocarcinoma. MATERIALS AND METHODS:The institutional review board approved this retrospective study and waive...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130009
更新日期:2014-03-01 00:00:00
abstract:PURPOSE:To determine the variability of apparent diffusion coefficient (ADC) values in various anatomic regions in the upper abdomen measured with magnetic resonance (MR) systems from different vendors and with different field strengths. MATERIALS AND METHODS:Ten healthy men (mean age, 36.6 years ± 7.7 [standard devia...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.13130819
更新日期:2014-02-01 00:00:00
abstract:PURPOSE:To evaluate the diagnostic potential of apparent diffusion coefficient (ADC) and intravoxel incoherent motion (IVIM)-derived parameters for differentiation of common pancreatic tumors, chronic pancreatitis, and normal pancreas and for characterization of the malignancy potential of intraductal papillary mucinou...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13122712
更新日期:2014-02-01 00:00:00
abstract::History A 55-year-old woman presented to our breast clinic with 1-year history of lancinating pain in the right breast that was exacerbated by blunt pressure and cold temperature. She denied any family history of breast cancer or any personal history of trauma, infection, or surgery of the breast. On clinical examinat...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13120919
更新日期:2014-01-01 00:00:00
abstract:PURPOSE:To evaluate the prognostic importance and predictive performance of volume-based parameters of fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) in patients with stage I non-small cell lung cancer (NSCLC) after stereotactic body radiation therapy (SBRT). MATERIALS...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130652
更新日期:2014-01-01 00:00:00
abstract:PURPOSE:To assess the feasiblity of magnetic resonance (MR) susceptibility-weighted (SW) imaging as a tool to evaluate liver fibrosis grades in patients with chronic liver diseases (CLD) utilizing signal intensity (SI) measurements, with histopathologic findings as the reference standard. MATERIALS AND METHODS:This re...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13122440
更新日期:2014-01-01 00:00:00
abstract:PURPOSE:To assess the effects of acquisition duration on computed tomographic (CT) perfusion parameter values in neuroendocrine liver metastases and normal liver tissue. MATERIALS AND METHODS:This retrospective study was institutional review board approved, with waiver of informed consent. CT perfusion studies in 16 p...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13122708
更新日期:2013-12-01 00:00:00
abstract:PURPOSE:To determine if computed tomographic (CT) texture and histogram analysis measurements of the primary mass are independently associated with overall survival in patients with locally advanced squamous cell carcinoma of the head and neck who were previously treated with cisplatin, 5-fluorouracil, and docetaxel (T...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130110
更新日期:2013-12-01 00:00:00
abstract:PURPOSE:To determine whether spinal cord atrophy differs among disease subtypes in multiple sclerosis (MS) and whether it offers diagnostic and clinical correlative information beyond that provided by other magnetic resonance (MR) imaging markers. MATERIALS AND METHODS:The institutional review board approved the study...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13122566
更新日期:2013-11-01 00:00:00
abstract:PURPOSE:To evaluate the performance of a low-b-value diffusion-weighted (DW) echo-planar (EP) imaging sequence for detection of regional and diffuse myocardial edema in patients with acute myocarditis. MATERIALS AND METHODS:This study was approved by the institutional review board, and informed consent was obtained fr...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121811
更新日期:2013-11-01 00:00:00
abstract:PURPOSE:To assess the repeatability in human volunteers of software-quantified small bowel motility captured with magnetic resonance (MR) imaging and to test the ability to detect changes in motility induced by pharmacologic agents. MATERIALS AND METHODS:The study was approved by the Royal Free Research Ethics Committ...
journal_title:Radiology
pub_type: 杂志文章,随机对照试验
doi:10.1148/radiol.13130151
更新日期:2013-11-01 00:00:00
abstract:PURPOSE:To study white matter (WM) changes in patients with Unverricht-Lundborg progressive myoclonus epilepsy (EPM1) caused by mutations in the cystatin B gene and in the cystatin B-deficient (Cstb-/-) mouse model and to validate imaging findings with histopathologic analysis of mice. MATERIALS AND METHODS:Informed c...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13122458
更新日期:2013-10-01 00:00:00
abstract:PURPOSE:To compare volume reduction of single-session ethanol ablation (EA) and radiofrequency (RF) ablation for cystic thyroid nodule treatment. MATERIALS AND METHODS:All patients gave written informed consent to participate in this prospective institutional review board-approved study. From May 6, 2010, to August 8,...
journal_title:Radiology
pub_type: 杂志文章,随机对照试验
doi:10.1148/radiol.13122134
更新日期:2013-10-01 00:00:00
abstract::From a clinical-radiologic standpoint, there are a limited number of structures and disease entities in the temporal bone with which one must be familiar in order to proficiently interpret a computed tomographic or magnetic resonance imaging study of the temporal bone. It is helpful to examine the region in an organiz...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.13120733
更新日期:2013-10-01 00:00:00
abstract:PURPOSE:To (a) determine the diagnostic performance of 64-section multidetector computed tomography (CT) trajectography for penetrating diaphragmatic injury (PDI), (b) determine the diagnostic performance of classic signs of diaphragmatic injury at 64-section multidetector CT, and (c) compare the performance of these s...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121260
更新日期:2013-09-01 00:00:00
abstract:PURPOSE:To compare diagnostic performance and time efficiency of double-reading first-reader computer-aided detection (CAD) (DR FR CAD) followed by radiologist interpretation with that of an unassisted read using segmentally unblinded colonoscopy as reference standard. MATERIALS AND METHODS:The local ethical committee...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121192
更新日期:2013-09-01 00:00:00
abstract:PURPOSE:To determine the time course of enhancement patterns in the aorta and endoleaks at dynamic computed tomographic (CT) angiography as well as their effect on the endoleak detection rate in patients who have undergone abdominal aortic endovascular aneurysm repair (EVAR). MATERIALS AND METHODS:This retrospective s...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13120197
更新日期:2013-09-01 00:00:00
abstract:PURPOSE:To retrospectively evaluate whether dynamic contrast agent-enhanced (DCE) magnetic resonance (MR) imaging parameters assessed by a computer-aided evaluation program are associated with recurrence-free and overall survival in breast cancer patients who received neoadjuvant chemotherapy (NAC). MATERIALS AND METH...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121801
更新日期:2013-09-01 00:00:00
abstract::Schmieder and colleagues introduced a new molecular magnetic resonance (MR) probe with a promising lipophilic gadolinium chelate complex that provides high relaxivity. Results of in vivo experiments clearly demonstrate the excellence of the probe for longitudinally monitoring α(v)β(3) integrin expression in tumors. In...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13131094
更新日期:2013-08-01 00:00:00
abstract:PURPOSE:To assess the feasibility of hybrid imaging of the heart with fluorine 18 fluorodeoxyglucose (FDG) on an integrated 3-T positron emission tomography (PET)/magnetic resonance (MR) imaging system. MATERIALS AND METHODS:The present study was approved by the local institutional review board. Written informed conse...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13130231
更新日期:2013-08-01 00:00:00
abstract::Cardiac masses are usually first detected at echocardiography. In their further evaluation, cardiac magnetic resonance (MR) imaging has become a highly valuable technique. MR imaging offers incremental value owing to its larger field of view, superior tissue contrast, versatility in image planes, and unique ability to...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.13121239
更新日期:2013-07-01 00:00:00
abstract:PURPOSE:To compare anatomic alignment between morphologic and positron emission tomography (PET) images acquired in the abdomen and pelvis by using simultaneous magnetic resonance (MR)/PET, PET/computed tomography (CT), and retrospective MR/PET fusion and to compare alignment between MR and PET in simultaneous and sequ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121838
更新日期:2013-07-01 00:00:00
abstract:PURPOSE:To evaluate the magnetic resonance (MR) imaging appearance of the testes in women with complete androgen insensitivity syndrome (CAIS), including any benign or malignant changes. MATERIALS AND METHODS:This was a retrospective review of the testicular MR images and histologic reports from 25 patients with CAIS ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121068
更新日期:2013-07-01 00:00:00
abstract:PURPOSE:To use magnetic resonance (MR) imaging to examine the short-term (6 months) natural history of the lipid-rich necrotic core (LRNC) in carotid artery plaques by examining the placebo group of a multicenter clinical trial. MATERIALS AND METHODS:Study procedures and consent forms were approved by the institutiona...
journal_title:Radiology
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1148/radiol.13121702
更新日期:2013-07-01 00:00:00
abstract::This review offers insight into the possible role of vasa vasorum in the development of intracranial vascular disease. Unique structural features of intracranial vessels and nourishment from the surrounding cerebrospinal fluid environment may account for the relative lack of intracranial vasa vasorum early in life. Ho...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.13112310
更新日期:2013-06-01 00:00:00
abstract:PURPOSE:To detect regional metabolic differences in amyotrophic lateral sclerosis (ALS) with whole-brain echo-planar spectroscopic imaging. MATERIALS AND METHODS:Sixteen patients with ALS (nine men, seven women; mean age, 56.6 years), five persons suspected of having ALS (four men, one woman; mean age, 62.6 years), an...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.13121148
更新日期:2013-06-01 00:00:00