Neuro Radiology Glossary

Selective neuronal death affecting specific cortical layers, appearing as cortical T1 hyperintensity on MRI.

Early CT finding of acute stroke characterized by loss of gray-white matter differentiation in the cerebral cortex.

Wave of neuronal and glial depolarization that propagates across cortex, underlying migraine aura pathophysiology.

Reduced cerebellar perfusion contralateral to a supratentorial lesion due to interrupted corticopontocerebellar pathways...

Contrast-enhanced CT imaging of blood vessels used to evaluate vascular anatomy and pathology in the brain and neck.

Brain swelling due to cellular dysfunction causing intracellular fluid accumulation, typically seen in acute stroke.

Reduced water molecule movement appearing as high signal on DWI with corresponding low ADC values.

Advanced MRI technique that maps white matter fiber tracts by measuring water diffusion directionality.

Gold standard invasive imaging technique using contrast injection and digital image processing to visualize cerebral vas...

Abnormal connection between dural arteries and venous sinuses or cortical veins, potentially causing venous hypertension...

Diffusion-weighted imaging, an MRI technique that detects the random motion of water molecules to identify acute stroke...

Rapid MRI acquisition technique that captures an entire image in a single excitation, commonly used for functional and d...

Minimally invasive treatment for cerebral aneurysms using detachable platinum coils inserted via catheter to promote ane...

Fluid-attenuated inversion recovery, an MRI sequence that suppresses cerebrospinal fluid signal to enhance visualization...

Bright signal abnormality on fluid-attenuated inversion recovery sequences, often indicating pathological tissue changes...

Functional MRI of the Brain software library commonly used for neuroimaging data analysis and processing.

Paramagnetic contrast agent used in MRI to enhance visualization of vascular structures and blood-brain barrier disrupti...

Highly malignant primary brain tumor arising from glial cells, representing the most aggressive form of glioma.

MRI sequence particularly sensitive to magnetic susceptibility effects, useful for detecting blood products and calcific...

Abnormal contrast enhancement following the cortical ribbon pattern, often indicating inflammation or ischemia.

Cortical enhancement pattern following the gyral contours, often indicating cortical injury or inflammation.

Abnormal accumulation of cerebrospinal fluid within the brain's ventricular system causing ventricular enlargement.

Bleeding directly into brain tissue, as opposed to extraaxial spaces or ventricular system.

Bleeding within the brain's ventricular system, commonly graded using the modified Graeb score.