PMC5820869_01
Coronal computerized tomography revealing C2-C3 fusion and obliteration of C3-C4 transverse foramen
AJNS-13-133-g001.jpg
PMC5820869_01_AJNS-13-133-g001.jpg
F1
A fusion between the C2 and C3 vertebral segments was also noted [Figures 1 and 2].
Sagittal computerized tomography revealing C2-C3 fusion and obliteration of C3-C4 transverse foramen
AJNS-13-133-g002.jpg
PMC5820869_01_AJNS-13-133-g002.jpg
F2
A fusion between the C2 and C3 vertebral segments was also noted [Figures 1 and 2].
Magnetic resonance imaging of brain showing hypoplastic right vertebral artery
AJNS-13-133-g003.jpg
PMC5820869_01_AJNS-13-133-g003.jpg
F3
Appropriate cerebral perfusion with contributions from the posterior communicating vessels and left VA was noted with the patient's head in a neutral position [Figure 3].
Dynamic fluoroscopy of the left vertebral artery showing obliteration of the left vertebral artery flow with head rotation to the left
AJNS-13-133-g004.jpg
PMC5820869_01_AJNS-13-133-g004.jpg
F4
Dynamic fluoroscopy of the left VA with head rotation to the left showed obliteration of left VA blood flow [Figure 4], and reconstitution of flow with the patient's head in the neutral position [Figure 5].
Dynamic fluoroscopy of the left vertebral artery showing reconstitution of the left vertebral artery flow with head in neutral position
AJNS-13-133-g005.jpg
PMC5820869_01_AJNS-13-133-g005.jpg
F5
Dynamic fluoroscopy of the left VA with head rotation to the left showed obliteration of left VA blood flow [Figure 4], and reconstitution of flow with the patient's head in the neutral position [Figure 5].
Sagittal computerized tomography after anterior cervical discectomy and fusion at C3-C4
AJNS-13-133-g006.jpg
PMC5820869_01_AJNS-13-133-g006.jpg
F6
Imaging demonstrates the ACDF [Figure 6].