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Table 2 Summary of the extent of disease identified over the course of follow-up for patients in this series.

From: Malignant head and neck paragangliomas: Is there an optimal treatment strategy?

Tumor characteristics for patients included in this study
   Metastatic Sites
Patient Primary Site Bone Neck/Regional Nodes Liver Lung Brain Spleen Eye
1 Carotid body + +      
2 Middle fossa/Cavernous sinus +       
3 Jugulotympanic   + + +    
4 Jugulotympanic +     +   
5 Carotid body   +   +    
6 Carotid body + +      
7 Carotid body +       
8 Jugulotympanic + + +     
9 Carotid body   + + +    
10 Jugulotympanic +       
11 Carotid body + + + +    
12 Jugulotympanic +       
13 Carotid body     +    
14 Carotid body   + + +    
15 Carotid body +      +  
16 Jugulotympanic +       
17 Carotid body + +      
18 Carotid body/Glomus vagale     +    
19 Parotid +       +