Recurrent Granulocyte Colony-Stimulating Factor-Induced Aortitis After Pegfilgrastim Administration

Abstract

Figure. Contrast-enhanced computed tomography images. (A) Image obtained before the first administration of pegfilgrastim. (B) Double-ring enhancement in the descending thoracic aorta after the first injection of pegfilgrastim. (C) Double-ring enhancement was more apparent after the second injection of pegfilgrastim. (D) Improvement at the 27-day follow-up after the second injection of pegfilgrastim.