Clinical Study
Venous Drainage Patterns in Carotid Cavernous Fistulas
Table 2
Types of CCFs are categorized according to frequency of their drainage pathways.
| Type of CCF | Drainage pathway | Anterior | Inferior | Contralateral | Posterior | Superior |
| Type A | 4 | 4 | 2 | 3 | 2 | Type B | 4 | 6 | 4 | 0 | 0 | Type C | 1 | 0 | 1 | 0 | 0 | Type D | 1 | 1 | 0 | 0 | 0 |
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