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    Perfusion Scotoma: A Potential Core Underestimation in CT Perfusion in the Delayed Time Window in Patients with Acute Ischemic Stroke | American Journal of Neuroradiology  
    

















    





























    
  
  




    
    

  

      


    

      

  
  
  

    

  

    

  

                
    

      

  

    

  
      
  
  

    


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Research ArticleAdult Brain

  
      

  
      
Perfusion Scotoma: A Potential Core Underestimation in CT Perfusion in the Delayed Time Window in Patients with Acute Ischemic Stroke
  
    	
K. Abrams and G. Dabus

  
    	
American Journal of Neuroradiology June 2022,  43 (6) 813-816; DOI: https://doi.org/10.3174/ajnr.A7524 

  
  
  



  


  
  



			

		

	
	
 	
	  
  

		
		

			

			  

  
      
  
  

    
  


  
  



  
      
  
  

    

  

    

  
      
  
  

    
References
  1. 1.↵
    1. 

    2. Goyal  M, 
    3. Demchuk  AM, 
    4. Menon  BK, et al
    ; ESCAPE Trial Investigators. Randomized assessment of rapid endovascular treatment of ischemic stroke. N Engl J Med 2015;372:1019–30 doi:10.1056/NEJMoa1414905 pmid:25671798
    CrossRefPubMed
  2. 2.↵
    1. 

    2. Saver  JL, 
    3. Goyal  M, 
    4. Bonafe  A, et al
    ; SWIFT PRIME Investigators. Stent-retriever thrombectomy after intravenous t-PA vs. t-PA alone in stroke. N Engl J Med 2015;372:2285–95 doi:10.1056/NEJMoa1415061 pmid:25882376
    CrossRefPubMed
  3. 3.↵
    1. 

    2. Campbell  BC, 
    3. Mitchell  PJ, 
    4. Kleinig  TJ, et al
    ; EXTEND-IA Investigators. Endovascular therapy for ischemic stroke with perfusion-imaging selection. N Engl J Med 2015;372:1009–18 doi:10.1056/NEJMoa1414792 pmid:25671797
    CrossRefPubMed
  4. 4.↵
    1. 

    2. Martins  N, 
    3. Aires  A, 
    4. Mendez  B, et al
    . Ghost infarct core and admission computed tomography perfusion: redefining the role of neuroimaging in acute ischemic stroke. Interv Neurol 2018;7:513–21 doi:10.1159/000490117 pmid:30410531
    CrossRefPubMed
  5. 5.↵
    1. 

    2. Rodrigues  GM, 
    3. Mohammaden  MH, 
    4. Haussen  DC, et al
    . Ghost infarct core following endovascular reperfusion: a risk for computed tomography perfusion misguided selection in stroke. Int J Stroke 2021 Nov 19. [Epub ahead of print] doi:10.1177/17474930211056228 pmid:34796765
    CrossRefPubMed
  6. 6.↵
    1. 

    2. Nogueira  RG, 
    3. Jadhav  AP, 
    4. Haussen  DC, et al
    ; DAWN Trial Investigators. Thrombectomy 6 to 24 hours after stroke with a mismatch between deficit and infarct. N Engl J Med 2018;378:11–21 doi:10.1056/NEJMoa1706442 pmid:29129157
    CrossRefPubMed
  7. 7.↵
    1. 

    2. Albers  GW, 
    3. Marks  MP, 
    4. Kemp  S, et al
    ; DEFUSE 3 Investigators. Thrombectomy for stroke at 6 to 16 hours with selection by perfusion imaging. N Engl J Med 2018;378:708–18 doi:10.1056/NEJMoa1713973 pmid:29364767
    CrossRefPubMed
  8. 8.↵
    1. 

    2. Copelan  AZ, 
    3. Smith  ER, 
    4. Drocton  GT, et al
    . Recent administration of iodinated contrast renders core infarct estimation inaccurate using RAPID software. AJNR Am J Neuroradiol 2020;41:2235–42 doi:10.3174/ajnr.A6908 pmid:33214184
    Abstract/FREE Full Text
  9. 9.↵
    1. 

    2. Voleti  S, 
    3. Vidovich  J, 
    4. Corcoran  B, et al
    . Correlation of Alberta Stroke Program Early Computed Tomography Score with computed tomography perfusion core in large vessel occlusion in delayed time windows. Stroke 2021;52:498–504 doi:10.1161/STROKEAHA.120.030353 pmid:33406866
    CrossRefPubMed
  10. 10.↵
    1. 

    2. Nagar  VA, 
    3. McKinney  AM, 
    4. Karagulle  AT, et al
    . Reperfusion phenomenon masking acute and subacute infarcts at dynamic perfusion CT: confirmation by fusion of CT and diffusion-weighted MR images. AJNR Am J Neuroradiol 2009;193:1629–38 doi:10.2214/AJR.09.2664 pmid:19933658
    CrossRefPubMed
  


  
  



  




  


  
  



  
      
  
  

    
  


  
  



  
      
  
  

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Perfusion Scotoma: A Potential Core Underestimation in CT Perfusion in the Delayed Time Window in Patients with Acute Ischemic Stroke
  
    	
K. Abrams, G. Dabus

  
    	
American Journal of Neuroradiology Jun 2022, 43 (6) 813-816; DOI: 10.3174/ajnr.A7524 

  
  
  



  


  
  



  
      
  
  

    

  
    
  
  
    
  
  
    
  


  


  
  



  
      
  
  

    
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