A Case of Polyarteritis Nodosa Associated with Vertebral Artery Vasculitis Treated Successfully with Tocilizumab and Cyclophosphamide

Figure 4

Imaging of cervical area at diagnosis. (a) Baseline MRI T2 weighted images showed moderate adventitial thickening of both the vertebral arteries at the level of C3 (thin yellow arrows) with adjacent soft tissue edema. There were focal areas of irregularity causing moderate stenosis on the left side (arrowhead). (b) Sagittal view of cervical MRI demonstrated poststenotic dilation of his left vertebral artery (arrow) and marked myositis (arrowhead).

(a)

(b)