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    Inter- and Intraobserver Agreement in CT Characterization of Nonaneurysmal Perimesencephalic Subarachnoid Hemorrhage | American Journal of Neuroradiology  
    



















    































    
  
  




    
    

  

      


    

      

  
  
  

    

  

    

  

                
    

      

  

    

  
      
  
  

    


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Research ArticleInterventionalF

  
      

  
      
Inter- and Intraobserver Agreement in CT Characterization of Nonaneurysmal Perimesencephalic Subarachnoid Hemorrhage
  
    	
W. Brinjikji, D.F. Kallmes, J.B. White, G. Lanzino, J.M. Morris and H.J Cloft

  
    	
American Journal of Neuroradiology June 2010,  31 (6) 1103-1105; DOI: https://doi.org/10.3174/ajnr.A1988 

  
  
  



  


  
  



			

		

	
	
 	
	  
  

		
		

			

			  

  
      
  
  

    
  


  
  



  
      
  
  

    

  

    

  
      
  
  

    
References
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    1. Rinkel  GJ, 
    2. van Gijn  J, 
    3. Wijdicks  EF
    . Subarachnoid hemorrhage without detectable aneurysm: a review of the causes. Stroke 1993;24:1403–09
    Abstract/FREE Full Text
    

  2. 2.↵

    1. van Gijn  J, 
    2. van Dongen  KJ, 
    3. Vermeulen  M, 
    4. et al
    . Perimesencephalic hemorrhage: a nonaneurysmal and benign form of subarachnoid hemorrhage. Neurology 1985;35:493–97
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  3. 3.↵

    1. Rinkel  GJ, 
    2. Wijdicks  EF, 
    3. Hasan  D, 
    4. et al
    . Outcome in patients with subarachnoid haemorrhage and negative angiography according to pattern of haemorrhage on computed tomography. Lancet 1991;338:964–68
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  4. 4.↵

    1. Rinkel  GJ, 
    2. Wijdicks  EF, 
    3. Vermeulen  M, 
    4. et al
    . Outcome in perimesencephalic (nonaneurysmal) subarachnoid hemorrhage: a follow-up study in 37 patients. Neurology 1990;40:1130–32
    Abstract/FREE Full Text
    

  5. 5.↵

    1. Alen  JF, 
    2. Lagares  A, 
    3. Lobato  RD, 
    4. et al
    . Comparison between perimesencephalic nonaneurysmal subarachnoid hemorrhage and subarachnoid hemorrhage caused by posterior circulation aneurysms. J Neurosurg 2003;98:529–35
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  6. 6.↵

    1. Kallmes  DF, 
    2. Clark  HP, 
    3. Dix  JE, 
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    . Ruptured vertebrobasilar aneurysms: frequency of the nonaneurysmal perimesencephalic pattern of hemorrhage on CT scans. Radiology 1996;201:657–60
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  7. 7.↵

    1. Pinto  AN, 
    2. Ferro  JM, 
    3. Canhao  P, 
    4. et al
    . How often is a perimesencephalic subarachnoid haemorrhage CT pattern caused by ruptured aneurysms? Acta Neurochir (Wien) 1993;124:79–81
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  8. 8.↵

    1. Ruigrok  YM, 
    2. Rinkel  GJ, 
    3. Buskens  E, 
    4. et al
    . Perimesencephalic hemorrhage and CT angiography: a decision analysis. Stroke 2000;31:2976–83
    Abstract/FREE Full Text
    

  9. 9.↵

    1. Velthuis  BK, 
    2. Rinkel  GJ, 
    3. Ramos  LM, 
    4. et al
    . Perimesencephalic hemorrhage: exclusion of vertebrobasilar aneurysms with CT angiography. Stroke 1999;30:1103–09
    Abstract/FREE Full Text
    

  10. 10.↵

    1. Rinkel  GJ, 
    2. Wijdicks  EF, 
    3. Vermeulen  M, 
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    . Nonaneurysmal perimesencephalic subarachnoid hemorrhage: CT and MR patterns that differ from aneurysmal rupture. AJNR Am J Neuroradiol 1991;12:829–34
    Abstract/FREE Full Text
    

  


  
  



  




  


  
  



  
      
  
  

    
  


  
  



  
      
  
  

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Inter- and Intraobserver Agreement in CT Characterization of Nonaneurysmal Perimesencephalic Subarachnoid Hemorrhage
  
    	
W. Brinjikji, D.F. Kallmes, J.B. White, G. Lanzino, J.M. Morris, H.J Cloft

  
    	
American Journal of Neuroradiology Jun 2010, 31 (6) 1103-1105; DOI: 10.3174/ajnr.A1988 

  
  
  



  


  
  



  
      
  
  

    

  
    
  
  
    
  
  
    
  


  


  
  



  
      
  
  

    
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