Baffling: PGNMID, monoclonal no more
I got this consult case as immune complex-MPGN
LM- MPGN pattern
IF- IgG, C3, C1q, kappa & lambda 3+
Did IgG subtypes-IgG3 3+, all others negative
EM- mottled deposits
Dx- Proliferative GN, IgG3, but ? with monoclonal IgG deposits (PGNMID)