“…Of those 4 reports, 3 were biopsied and revealed panniculitis, polyarteritis nodosa, and small-vessel vasculitis, respectively. 2 , 3 , 4 All 3 cases were treated with systemic steroids with complete resolution within 3-4 months. In the case of polyarteritis nodosa, the patient developed symptoms approximately 1 month after the procedure, suggesting a more delayed immune-related phenomenon in contrast to the more acute-onset manifestation in our patient, which was likely secondary to direct embolic effects.…”