Neuro Radiology Glossary

Condition of increased intracranial pressure without identifiable cause, also called idiopathic intracranial hypertensio...

Automated imaging analysis platform that processes CT perfusion data to calculate stroke core and penumbra volumes for t...

Regional cerebral blood flow measured in neuroimaging studies to assess brain perfusion and metabolism.

Impaired water molecule movement appearing bright on DWI and dark on ADC maps, indicating cellular injury.

Peripheral ring-like contrast uptake pattern typically seen in abscesses, necrotic tumors, or cystic lesions.

Three-dimensional turbo spin echo sequence providing high-resolution isotropic imaging with excellent tissue contrast.

Self-expanding neurovascular device used for mechanical thrombectomy that captures and removes blood clots from cerebral...

Short TI Inversion Recovery - an MRI sequence that suppresses fat signal to enhance visualization of pathology.

Benign tumor arising near ventricular wall, typically associated with tuberous sclerosis complex.

MRI image distortion caused by magnetic field inhomogeneities near air-tissue interfaces or metallic objects.

Artifact on gradient echo sequences causing hemorrhage or calcification to appear larger than actual size.

MRI sequence highly sensitive to blood products, calcifications, and iron deposits using magnetic susceptibility differe...

Susceptibility-weighted angiography sequence that enhances visualization of venous structures and hemorrhagic lesions.

MRI sequence emphasizing T1 relaxation properties, providing excellent anatomical detail and contrast enhancement.

MRI sequence that highlights fluid-containing structures by emphasizing T2 relaxation properties of tissues.

Thrombolysis in Cerebral Infarction scale, used to grade arterial recanalization success following endovascular stroke t...

Time-of-flight magnetic resonance angiography, a non-contrast technique for visualizing blood vessels using flow-related...

Computational technique that reconstructs white matter fiber pathways using diffusion tensor imaging data.

Brain swelling caused by increased capillary permeability allowing fluid to accumulate in white matter.

Thrombotic occlusion of cerebral venous sinuses causing impaired venous drainage and potential hemorrhagic infarction.

Surgically implanted drainage system used to treat hydrocephalus by diverting cerebrospinal fluid from brain ventricles.

Surgical device that drains excess cerebrospinal fluid from brain ventricles to the peritoneal cavity.

Separation of the layers within the vertebral artery wall, creating a false lumen that can compromise blood flow or caus...

Reduced blood flow in the posterior circulation causing brainstem and cerebellar symptoms.