Cleveland Clinic Foundation
Disease Management Project
TITLE: Primary Angiitis of the Central Nervous System
AUTHORS: Rula A. Hajj-Ali, MD --
  Department of Rheumatic and Immunologic Diseases
Leonard H. Calabrese, DO --
  Department of Rheumatic and Immunologic Diseases
    
PUBLISHED: August 3, 2004
    
Return to Print Version of this Chapter

Primary Angiitis of the Central Nervous System

TABLES

 

Table 3:
Benign Angiopathy of the Central Nervous System: Patient Characteristics (n=16)
Demographic and Clinical Symptoms Diagnostic Studies
Mean age, years (range)
40 (10-66)
Severe CSF abnormalities*, n (%)
1 (7)
Female/male, n
13/3
Abnormal MRI, n (%)
10 (77)
Mean prodrome, days (range)

25 (0-155)

Positive brain biopsy, n (%)
0 (0)
Mean follow-up, months (range)
35 (0-128)
Positive cerebral angiography, n (%)
16 (100)
Headaches, n (%)
14 (88)
  
Focal symptoms, n (%)
10 (63)
Diffuse symptoms, n (%)
7 (44)
Constitutional symptoms, n (%)
1 (6)
* Protein >70 mg/dl or white blood cell count >10/mm3
CSF = cerebrospinal fluid; MRI = magnetic resonance imaging
Adapted from reference 8 with permission.

 

 

 

 

Table 4:
Comparison of Clinical and Diagnostic Characteristics of Benign Angiopathy of the
Central Nervous System and Granulomatous Angiitis of the Central Nervous System
  
BACNS
GACNS
Patients
Female-predominant
Male-predominant
Disease onset
Acute
Chronic
Clinical course
Monophasic
Recurrent
CSF findings
Normal
Abnormal
Abnormal angiography
100%
15%
Diagnostic modality
Angiography
CNS biopsy
Treatment
GC and Ca-Blockers
GC and CYC
Outcomes
Excellent*
Good†
CSF = cerebrospinal fluid; CNS = central nervous system; GC = glucocorticoids; CYC = cyclophosphamide; Ca-Blockers = calcium channel blockers
* 100% of BACNS patients had mild to no disability on the Barthel Index15 at follow-up
† 86% of GACNS patients showed mild to no disability and 14% moderate to severe disability on the Barthel Index15 at follow-up

 

Cerebral angiography of a patient with BACNS at diagnosis (left) and after 1 month of therapy (right). Note the multiple areas of stenosis (white arrow) and dilation (black arrow) in multiple vessels of the M2 branch of the middle cerebral artery, and their resolution after treatment. Adapted from reference 8 with permission.
Figure 2

 

Clinical algorithm: The approach to primary angiitis of the CNS.
Adapted from Calabrese LH, Advances in Immunotherapy, with permission.
Figure 3A

 

Clinical algorithm: The approach to primary angiitis of the CNS.
Adapted from Calabrese LH, Advances in Immunotherapy, with permission.
Figure 3B

 

 

Typical angiographic findings in a patient with CNS vasculitis. Arrows point to areas alternating stenosis and ectasia.
Adapted from Hajj-Ali, et al. Crit Care Clin. 2002;18:897-914.
Figure 4