Fig. 3From: Clinical features of IgG4-related periaortitis/periarteritis based on the analysis of 179 patients with IgG4-related disease: a case–control studyContrast-enhanced CT (delayed phase) of IgG4-related perivascular lesion in a 72-year-old man. Walls of the abdominal artery showed thickening at diagnosis (a transverse plane; b sagittal plane). Steroid therapy reduced wall thickness but dilated the vascular lumen (c transverse plane; d sagittal plane)Back to article page