Anatomical variation in the internal jugular vein: potential risk factors for central venous catheterization - a case report
Yidan Shan, Weijia Huang
Figure 2. Intraoperative findings of case 1-3. A: patient 1, fenestration of the left IJV; B: patient 2, duplication of the right IJV; C: patient 3, fenestration of the right IJV. IJV: internal jugular vein. SCM: sternocleidomastoid; black arrows show IJV; white arrow shows accessory nerve.