Inflammatory pseudotumor of Castleman disease and IgG4-related disease masquerading as kidney malignancy

摘要

Contrast-enhanced abdominal MRI of the lesion (red arrow) in case 1. (A) Coronal T2-weighted image; (B) Transverse T1-weighted with fat suppression (C) Transverse T2-weighted with fat-suppression; (D) Transverse T1-weighted with fat-suppression in arterial phase; (E) Transverse T1-weighted with fat-suppression in portal phase; (F) Transverse T1-weighted with fat-suppression in delayed phase