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Neuroimmunology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

Susac syndrome

Professional Technical IVT

Autoimmune microangiopathy affecting brain, retina, and inner ear, causing the classic triad of encephalopathy, branch retinal artery occlusions, and sensorineural hearing loss.

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neurosarcoidosis

Advanced Technical IVT

Neurological manifestation of systemic sarcoidosis involving granulomatous inflammation of nervous system structures.

Technical Term Full entry →

neurotropic virus

Intermediate Technical IVT

A virus with specific affinity for nervous system tissue, often triggering immune-mediated CNS complications.

Technical Term Full entry →

neurotropism

Advanced Technical IVT

Preferential targeting of nervous system tissue by pathogens, often leading to neuroinflammatory disease.

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NMDA receptor

Professional Technical IVT

N-methyl-D-aspartate receptor, a glutamate receptor critical for synaptic plasticity and memory formation.

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ocrelizumab

Professional Technical IVT

A humanized anti-CD20 monoclonal antibody approved for both relapsing and primary progressive multiple sclerosis.

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oligoclonal bands

Professional Technical IVT

Distinct protein bands found in cerebrospinal fluid electrophoresis, indicating intrathecal immunoglobulin synthesis in...

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optic neuritis

Intermediate Technical IVT

Inflammatory demyelination of the optic nerve, often the presenting symptom of multiple sclerosis.

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PANDAS

Professional Technical IVT

Pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections, involving sudden onset of OCD...

Abbreviation Full entry →

paramagnetic rim lesions

Professional Technical IVT

MS lesions with iron-laden activated microglia at their borders, visible on susceptibility-weighted MRI.

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paraneoplastic limbic encephalitis

Professional Technical IVT

Autoimmune inflammation of limbic brain structures triggered by underlying malignancy, causing memory loss and behaviora...

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paraneoplastic neurological syndrome

Professional Technical IVT

Immune-mediated neurological disorder caused by cancer but not due to direct tumor invasion or metastasis.

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paraneoplastic syndrome

Intermediate Technical IVT

Neurological dysfunction caused by immune response to cancer, not direct tumor effects.

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PBMC

Intermediate Technical IVT

Peripheral blood mononuclear cells isolated from blood samples for immunological research.

Abbreviation Full entry →

perilesional edema

Intermediate Technical IVT

Fluid accumulation surrounding inflammatory brain lesions, visible on MRI imaging.

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perivascular cuffing

Advanced Technical IVT

Histopathological finding characterized by inflammatory cell infiltration around blood vessels in the CNS.

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PIRA

Professional Technical IVT

Progression independent of relapse activity in multiple sclerosis, representing disability accumulation without clinical...

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PLEX

Professional Technical IVT

Plasma exchange therapy used to remove pathogenic antibodies in severe neuroinflammatory conditions.

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PML-IRIS

Professional Technical IVT

Immune reconstitution inflammatory syndrome occurring in progressive multifocal leukoencephalopathy patients after immun...

Abbreviation Full entry →

radiologically isolated syndrome

Intermediate Technical IVT

Incidental MRI findings suggestive of multiple sclerosis in asymptomatic individuals.

RIS
Technical Term Full entry →

rituximab

Professional Technical IVT

A monoclonal antibody targeting CD20-positive B cells used in neuroimmunological conditions.

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smoldering MS

Professional Technical IVT

A proposed MS phenotype characterized by ongoing tissue damage without evident clinical relapses or new MRI lesions.

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Susac syndrome

Professional Technical IVT

Autoimmune microangiopathy affecting brain, retina, and inner ear, causing the classic triad of encephalopathy, branch r...

Technical Term Full entry →

T2 hyperintensity

Intermediate Technical IVT

Bright signal appearance on T2-weighted MRI sequences indicating tissue abnormalities in neuroimmunological conditions.

Technical Term Full entry →

Th1 cells

Professional Technical IVT

T-helper 1 cells that produce pro-inflammatory cytokines and promote cell-mediated immunity in CNS inflammation.

Technical Term Full entry →
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