Vascular Imaging Glossary

A standardized grading system for assessing recanalization success in acute stroke interventions.

Graph showing contrast enhancement over time in region of interest during dynamic imaging.

A non-contrast MR angiography technique that uses flowing blood signal enhancement for vascular visualization.

The interval from contrast injection to maximum signal intensity in a region of interest during dynamic imaging studies.

A standardized grading system for assessing coronary artery blood flow during angiography.

Specialized MRI imaging sequence designed to evaluate spinal cord inflammation and vascular supply in suspected transver...

Tubular device placed in blood vessel to facilitate catheter insertion during interventional procedures.

Adaptive changes in blood vessel structure and geometry in response to altered hemodynamic conditions or pathological pr...

Anatomical region supplied by a specific arterial system, critical for understanding perfusion patterns and ischemic ris...

Sudden constriction of blood vessels, often seen in cerebral arteries following subarachnoid hemorrhage or in coronary a...

Comparison of peak velocities between stenotic and normal vessel segments to quantify stenosis severity.

An imaging study that visualizes veins using contrast material to assess venous anatomy and pathology.

The internal diameter or width of a blood vessel, critical for assessing vascular pathology and flow dynamics.

Alteration in vessel diameter compared to baseline or expected normal dimensions, indicating pathological processes.

Sudden loss of vascular signal or visualization on imaging studies, often due to technical factors.

Abnormal contour of the vessel's internal channel, indicating potential atherosclerotic disease, dissection, or other va...

State of vessel luminal continuity allowing unobstructed blood flow, typically assessed following intervention or in byp...

Abnormal twisting, coiling, or serpentine course of blood vessels visible on imaging studies.

Automated or semi-automated image analysis technique that follows vessel centerlines through volumetric imaging data for...

Pathological deposition of calcium salts within arterial walls, visible on imaging as hyperattenuating or hypointense ar...

Pathological separation of arterial wall layers creating a false lumen, visible as intimal flaps or dual lumens on imagi...

Increased signal intensity or brightness of blood vessel walls on contrast-enhanced imaging, indicating inflammation or...

Bleeding within the arterial wall layers, typically seen in arterial dissection or traumatic injury.

Specialized MRI techniques that visualize arterial wall characteristics beyond the vessel lumen.