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Updated: Mar 29, 2026

Visualizing Impairment of the Endothelial and Glial Barriers of the Neurovascular Unit during Experimental Autoimmune Encephalomyelitis In Vivo
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[Primary central nervous system vasculitis].

S Schuster1, T Magnus2

  • 1Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum, Universitätsklinikum Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Deutschland.

Zeitschrift Fur Rheumatologie
|November 22, 2015
PubMed
Summary
This summary is machine-generated.

Primary angiitis of the central nervous system (PACNS) is rare and difficult to diagnose due to variable symptoms and lack of biomarkers. This review proposes a diagnostic algorithm for PACNS based on vessel size.

Keywords:
Brain biopsyImaging of intracranial vesselsIntracranial vascular disordersMeningoencephalitisStroke

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Area of Science:

  • Neurology
  • Immunology
  • Vascular Medicine

Context:

  • Primary angiitis of the central nervous system (PACNS) is a rare condition affecting CNS blood vessels.
  • Diagnosis is challenging due to non-specific clinical presentations and absence of reliable biomarkers.
  • It is crucial in the differential diagnosis of inflammatory and vascular central nervous system (CNS) diseases.

Purpose:

  • To review the diagnostic characteristics and differential diagnosis of PACNS.
  • To propose a diagnostic algorithm tailored to the size of affected vessels.
  • To outline current therapeutic options and patient outcomes for PACNS.

Summary:

  • PACNS diagnosis relies on vascular wall biopsy or a comprehensive assessment of clinical, radiological, and laboratory data.
  • Subtypes of PACNS are categorized by vessel size and histopathological findings.
  • A structured diagnostic approach can aid in identifying this rare CNS vasculitis.

Impact:

  • Facilitates earlier and more accurate diagnosis of PACNS.
  • Aids clinicians in differentiating PACNS from other CNS inflammatory and vascular disorders.
  • Provides an updated overview of management strategies and prognosis for PACNS patients.