Neuro Radiology Glossary

Selective necrosis of cortical layers following ischemic injury, appearing as cortical hyperintensity on FLAIR.

Abnormal contrast uptake in the pia mater and arachnoid layers covering the brain surface.

Softening and degeneration of white matter tissue, typically occurring in periventricular regions in premature infants.

Displacement or compression of brain structures caused by an expanding lesion or collection.

Endovascular procedure to physically remove blood clots from large intracranial vessels in acute stroke patients.

A typically benign tumor arising from the meninges that requires careful imaging assessment for surgical planning.

Chronic neuronal loss and gliosis in hippocampus and related structures, commonly associated with temporal lobe epilepsy...

Small areas of bleeding in brain tissue, typically detected on gradient echo or susceptibility-weighted imaging sequence...

Maximum intensity projection, a 3D rendering technique that displays the brightest pixel along each viewing ray to creat...

A neurophysiological response measured in functional neuroimaging studies of auditory processing.

Progressive cerebrovascular disorder characterized by bilateral stenosis of terminal internal carotid arteries with abno...

Modified Thrombolysis in Cerebral Infarction scale used to assess reperfusion success in stroke intervention.

National Institutes of Health Stroke Scale, a standardized assessment tool for quantifying stroke severity and neurologi...

Primary brain tumor arising from oligodendrocytes, characterized by calcifications and 'fried-egg' histology.

Contrast enhancement of the dura mater, often indicating inflammation, infection, or neoplastic involvement.

Picture Archiving and Communication System - digital imaging technology for storing and accessing medical images.

In stroke imaging, the region of brain tissue that is hypoperfused but not yet irreversibly damaged, representing potent...

Small arterial branches that penetrate brain parenchyma to supply deep structures like basal ganglia.

MRI technique measuring cerebral blood flow and volume to assess tissue viability in stroke and tumor evaluation.

Fluid accumulation in brain tissue surrounding a lesion, appearing as increased signal on T2-weighted images.

Fluid-filled spaces surrounding penetrating arteries and veins, visible as linear hyperintensities on T2-weighted images...

White matter injury near the ventricles, commonly seen in premature infants and associated with cerebral palsy.

Benign cystic lesion of the pineal gland, typically asymptomatic and following CSF signal characteristics.

Posterior reversible encephalopathy syndrome characterized by vasogenic edema in watershed territories.