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

Figure 8

Comparison of right arm before and after treatment with exam and images. (a) Right arm before treatment. (b) Right arm after treatment showing resolution of right forearm hypertrophy. (c) Right arm X-ray before treatment. (d) Right arm X-ray after treatment: follow-up radiographs revealed near total resolution of the periosteal reaction (cf. thin blue arrows). (e) Right arm MRI before treatment. (f) Right arm MRI after treatment: follow-up MRI of the right forearm revealed resolution of periostitis (cf. long yellow arrows) and myositis (cf. short yellow arrows). (g) Right arm bone scan before treatment. (h) Right arm bone scan after treatment: follow-up revealed total resolution of the abnormal uptake in the forearm.

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