Results 111 to 120 of about 35,418,743 (230)

Multi‐angle fluoroscopic lung perfusion imaging using x‐ray pulsatility index: A pilot study in healthy subjects

Medical Physics, Volume 53, Issue 9, September 2026.
Abstract Background X‐ray pulsatility index (XPI) quantifies cardiac‐synchronous attenuation changes as a surrogate for regional lung perfusion, but current implementations are limited by projectional overlap and the lack of reference values in healthy individuals. Purpose To characterize regional XPI patterns and establish preliminary reference values
Matthew R. Smith, Bradley W. Richmond, Savannah Gregory, Maggie Cartwright, Andreas Fouras, Greg T. Mogel, Charles R. Hatt, Gary T. Smith, Jared V. Grice   +8 more
wiley   +1 more source

Carbon Dioxide Digital Subtraction Angiography in Oncological-Interventional Radiology

, 1995
Aims and background The aim of this work is to demonstrate the usefulness of carbon dioxide, used as contrast agent, in special indications in vascular interventional oncological procedures.
Laura Francesca Frigerio, Carlo Spreafico, Francesco Garbagnati, Maria Gervasoni, Gianluigi Patelli, Bruno Damascelli, Alfonso Marchianò, Giulia Giovannardi   +7 more
core   +1 more source

DynaTOF: Time‐Resolved Noncontrast Cerebral MR Angiography Using Spatially Modulated RF Saturation

Magnetic Resonance in Medicine, Volume 96, Issue 3, Page 1134-1147, September 2026.
ABSTRACT Purpose To develop a time‐resolved extension of three‐dimensional time‐of‐flight MR angiography, termed Dynamic TOF (DynaTOF), that exploits intrinsic RF saturation behavior to enable noncontrast visualization of cerebrovascular hemodynamics.
Naoyuki Takei, Keita Fujii, Xucheng Zhu, Yuichi Suzuki, Satoru Miyawaki, Motoyuki Umekawa, Satoshi Koizumi, Tetsuya Wakayama, Shiori Amemiya, Osamu Abe   +9 more
wiley   +1 more source

Digital subtraction angiography and pulmonary vascular anomaly. Two case reports

, 1985
Two cases are described in which a tortuous pulmonary density, suspicious of vascular anomaly, was studied using venous digital subtraction angiography. One proved to be a pulmonary varix, the other an A-V fistula.
Reekers, J. A., Smeets, R. W.
core  

Digital Subtraction Angiography Showing a Tight Stenosis of the Distal Right Common Carotid Artery

, 2013
Digital Subtraction Angiography Showing a Tight Stenosis of the Distal Right Common Carotid ...
Stavros K Kakkos (27159), George Geroulakos (27160)   +1 more
core   +1 more source

Correlation of quiescent-interval single-shot (QISS) magnetic resonance angiography (MRA), computed tomography angiography (CTA) and digital subtraction angiography (DSA) for peripheral arterial disease (PAD) assessment

Radiology and Oncology
Cross-sectional imaging methods such as computed tomography angiography (CTA) and magnetic resonance angiography (MRA) are widely used for the assessment of peripheral arteries in patients with chronic limbthreatening ischemia (CLTI) or claudication ...
Breznik Silva, Slanic Ales, Lucev Jernej
doaj   +1 more source

Titanium plate artefact mimicking popliteal artery dissection on digital subtraction CT angiography.

, 2013
Titanium plates used for the internal fixation of long bone fractures cause significant artefact on CT scans but have not been reported to affect digital subtraction CT angiography.
Wienand-Barnett, Sophie, Woodacre, Timothy   +1 more
core   +1 more source

Radiation‐Induced Cutaneous Tissue Reactions in Neurointerventional Procedures: A Systematic Review of Reported Effects and Associated Dose Levels

Journal of Medical Imaging and Radiation Oncology, Volume 70, Issue 6, Page 561-572, September 2026.
ABSTRACT Neurointerventional procedures can deliver high localised skin doses and may cause radiation‐induced cutaneous tissue reactions, yet the doses at which these occur have not been synthesised specifically for this setting. We systematically reviewed reported cutaneous reactions and associated radiation doses after fluoroscopy‐ or digital ...
Mohamed Khaldoun Badawy, Fatimah Balasim, Caitlan De Hoedt, Mercer Kim, Samuel Montgomery Lilli, Alice Gutowski   +5 more
wiley   +1 more source

Immediate intracranial aneurysm occlusion after embolization with detachable coils: a comparison between MR angiography and intra-arterial digital subtraction angiography.

, 2007
To prospectively compare the effectiveness of time-of-flight (TOF) and contrast-enhanced (CE) MR angiography (MRA) with that of digital subtraction angiography (DSA) to assess immediate intracranial aneurysm occlusion after selective embolization ...
Balériaux, Danielle, Levivier, M., Emonts, P., Emonts, Philippe, Lubicz, B., Sadeghi-Meibodi, Niloufar, Lubicz, Boris, Levivier, Marc, Sadeghi, N., Balériaux, D.   +9 more
core   +1 more source

The oscillatory response of the electroretinogram and neuronal adaptation

Acta Ophthalmologica, Volume 104, Issue 6, Page 616-637, September 2026.
Abstract After more than 50 years, there still remains a challenge and an interest to know more as well as extend and deepen our understanding of the small rapid wavelets, the oscillatory potentials (OPs), of the electroretinogram (ERG) and the neuronal adaptation of the retina.
Lillemor Wachtmeister, Anders Eklund
wiley   +1 more source