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Radiology Research

14:52 EDT 19th August 2017 | BioPortfolio

Endoscopic ultrasound-guided drainage of pelvic abscesses with lumen-apposing metal stents.

Chinese expert consensus statement on issues related to small specimen sampling of lung cancer.

Endoscopic ultrasound-guided gastroenterostomy: Are we ready for prime time?

Interventional endoscopic ultrasonography (EUS) is currently becoming the less invasive therapeutic approach for the drainage of pancreatic fluid collections, of acute cholecystitis in patients unfit for surgery and for biliary drainage after failed endoscopic retrograde cholangiopancreatography. In addition, EUS-guided gastroenterostomy (EUS-GE) has recently emerged as a feasible procedure to tre...

Swept source optical coherence tomography-angiography of choroid in choroidal hemangioma before and after laser photocoagulation.

Swept source optical coherence tomography-angiography (OCT-angiography) gives us a unique opportunity to study the vasculature of choroidal lesions in vivo. We describe the OCT angiographic characteristics of circumscribed choroidal hemangioma before and after laser photocoagulation. Medium-sized choroidal vessels/vessels on the tumor surface become predominantly visible after laser photocoagulati...

Advanced cone-beam CT venous angiographic imaging.

OBJECTIVE The evaluation of the venous neurovasculature, especially the dural venous sinuses, is most often performed using MR or CT venography. For further assessment, diagnostic cerebral angiography may be performed. Three-dimensional rotational angiography (3D-RA) can be applied to the venous system, producing 3D rotational venography (3D-RV) and cross-sectional reconstructions, which function ...

Skeletal Muscle Ultrasound in Critical Care: A Tool in Need of Translation.

With the emerging interest in documenting and understanding muscle atrophy and function in critically ill patients and survivors, ultrasonography has transformational potential in measuring muscle quantity and quality. Here, we discuss the importance of quantifying skeletal muscle in the ICU setting. We also identify the merits and limitations of various modalities that are capable of accurately a...

Utilizing Ultrasound: Let US Help You with That Arterial Line!

Images in Anesthesiology: Ultrasound-guided Intraarticular Knee Injection.

In Patients with a Tibial Fracture, Low-Intensity Pulsed Ultrasound After Intramedullary Nail Fixation Did Not Accelerate Radiographic Healing or Improve Functional Recovery.

Analysis of background parenchymal echogenicity on breast ultrasound: Correlation with mammographic breast density and background parenchymal enhancement on magnetic resonance imaging.

The purpose of this study was to analyze the background parenchymal echotexture (BP echo) on breast ultrasound in detail and to evaluate the relation BP echo with menopausal status. In addition, we correlated BP echo with mammographic breast density (MGD) and background parenchymal enhancement (BPE) on magnetic resonance imaging (MRI).The institutional review board of our hospital approved this re...

Improved medical student perception of ultrasound using a paired anatomy teaching assistant and clinician teaching model.

This study describes a new teaching model for ultrasound (US) training, and evaluates its effect on medical student attitudes toward US. First year medical students participated in hands-on US during human gross anatomy (2014 N = 183; 2015 N = 182). The sessions were facilitated by clinicians alone in 2014, and by anatomy teaching assistant (TA)-clinician pairs in 2015. Both cohorts comple...

OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY FOR THE DETECTION OF SECONDARY CHOROIDAL NEOVASCULARIZATION IN VITELLIFORM MACULAR DYSTROPHY.

Optical coherence tomography angiography (OCTA) is used to assess vascular abnormality in advanced stage vitelliform macular dystrophy (VMD2).

Lung Ultrasound in the Critically Ill: The BLUE Protocol.

Noninvasive Derivation of Fractional Flow Reserve From Coronary Computed Tomographic Angiography: A Review.

Coronary computed tomographic angiography (CCTA) has evolved as a rapid and highly sensitive method for the exclusion of obstructive coronary artery disease. Unfortunately, as it pertains to moderate and severe lesions, the ability to discriminate between those that are hemodynamically significant and those that are nonobstructive is lacking. Consequently, this deficiency can result in a significa...

Should renal color Doppler ultrasonography be a routine test in newly diagnosed hypertensive patient?

: European Society of Hypertension/European Society of Cardiology guidelines recommend calculation of estimated glomerular filtration rate and evaluation of urinary albumin excretion rate as routine tests in the initial evaluation and during the follow-up of all hypertensive patients. However, from a clinical point of view, renal ultrasound - a noninvasive, readily available and cheap imaging moda...

Comparison of Coronary CT Angiography, SPECT, PET, and Hybrid Imaging for Diagnosis of Ischemic Heart Disease Determined by Fractional Flow Reserve.

At present, the choice of noninvasive testing for a diagnosis of significant coronary artery disease (CAD) is ambiguous, but nuclear myocardial perfusion imaging with single-photon emission tomography (SPECT) or positron emission tomography (PET) and coronary computed tomography angiography (CCTA) is predominantly used for this purpose. However, to date, prospective head-to-head studies are lackin...

Dual-energy computed tomography angiography: virtual calcified plaque subtraction in a vascular phantom.

Material decomposition of dual-energy computed tomography (DECT) enables subtraction of calcified plaque.

Quantitative analysis of epicardial fat volume: effects of scanning protocol and reproducibility of measurements in non-contrast cardiac CT vs. coronary CT angiography.

Several studies have focused on the role of epicardial fat in the pathogenesis of cardiovascular disease (CVD). The main purpose of the study was to evaluate a computerized method for the quantitative analysis of epicardial fat volume (EFV) by non-contrast cardiac CT (NCT) for coronary calcium scan and coronary CT angiography (coronary CTA).

The Diagnostic Accuracy of Ultrasound in Assessment of Myometrial Invasion in Endometrial Cancer: Subjective Assessment versus Objective Techniques.

The aim of this study was to assess the diagnostic accuracy of subjective ultrasound evaluation of myometrial invasion of endometrial cancer and to compare its accuracy to objective methods. All consecutive patients with histologically proven endometrial cancer, who underwent ultrasound evaluation followed by surgical staging between January 2009 and December 2011, were prospectively enrolled. Myo...

Australasian Musculoskeletal Imaging Group (AMSIG) Annual Scientific Meeting Melbourne, May 6-7, 2017.

Bowel preparation in CT colonography: Is diet restriction necessary? A randomised trial (DIETSAN).

To investigate whether diet restriction affects quality of colon cleansing and patient tolerance during reduced bowel preparation for CT colonography (CTC).

Pulmonary mucormycosis: serial morphologic changes on computed tomography correlate with clinical and pathologic findings.

To evaluate serial computed tomography (CT) findings of pulmonary mucormycosis correlated with peripheral blood absolute neutrophil count (ANC).

Groin hernia diagnostics: dynamic inguinal ultrasound (DIUS).

Although clinical examination is the gold standard for the diagnosis of groin hernia, imaging procedures can improve the detection of femoral hernias, incipient hernias, and less-common types of hernias (e.g., an obturator hernia). The aim of this study is to evaluate the sensitivity and specificity of dynamic inguinal ultrasound (DIUS).

Reliability of standing weight-bearing (0.25T) MR imaging findings and positional changes in the lumbar spine.

To test the reliability and absolute agreement of common degenerative findings in standing positional magnetic resonance imaging (pMRI).

The European Board of Interventional Radiology Examination: A Cross-Sectional Web-Based Survey.

The Cardiovascular and Interventional Radiology Society of Europe established the European Board of Interventional Radiology (EBIR) as an international examination in Interventional Radiology (IR), in 2010. The main objective of this study was to examine candidates' variables which could influence examination success. The secondary objective was to evaluate candidate feedback.

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