Intraosseous venous structures adjacent to the jugular tubercle associated with an anterior condylar dural arteriovenous fistula.

Although the JTVC is a venous structure frequently found in normal people, it had not been investigated until now. The venous channel between the anterior condylar vein and JTVC is a common origin site for AC-DAVFs, and it was associated with 66.6% of the AC-DAVF cases in the current study.