Table 1.

Clinical and analytical characteristics of three reported cases

	Patient 1	Patient 2	Patient 3
Hematological disease	IgM Κ WM	IgG Κ MM	IgG λ MM
Age at diagnosis (years)	67	86	72
Renal disease onset after hematological diagnosis (months)	52	0	312
Renal function at diagnosis [GFR (MDRD; mL/min/1.72 m2)]	55	60	83
Protein:creatinine ratio (mg/g)	26 350	3565	1849
Urine monoclonal component (%)	2.81	64.8	0
Serum monoclonal component (%)	50.9	4	–
Serum albumin at renal disease diagnosis (g/dL)	2.1	3.2	4.1
Nephrotic syndrome (yes/no)	Yes	Yes	No
Renal pathology diagnosis	Podocytopathy	MCD	FSGS
Renal replacement therapy	No	No	No
Hematological remission	UT	UT	UT
Renal remission	CR	PR	PR
Renal replacement therapy	No	No	No
Renal disease's specific treatment	Steroids	Steroids	No
Other treatments	PEX	–	–

CR: complete remission; PEX: plasmapheresis; PR: partial remission; UT: under treatment.