Renal Unit;
Department of Transplantation;
Careggi University Hospital;
Division of Nephrology;
Nephrology and Dialysis Unit;
Saints Cosmas and Damian Hospital;
Immunoglobulin; G4-related; disease; Storiform; fibrosis; Lymphoplasmacytic; infiltration; Tubulointerstitial; nephritis; Steroid; treatment; B; cell; depleting; agents;