Although glomerular disease in patients with CLL/SLL is less common, the most frequent patterns of glomerular injury seen include MPGN (immune complex mediated), MCD, membranous GN, and monoclonal immunoglobulin deposition disease.
The most common form of kidney involvement in patients with CLL/SLL is the presence of direct infiltration of the kidney parenchyma by leukemic cells. Although glomerular disease in patients with CLL/SLL is less common, they can be present. The glomerular pattern of injury frequently seen in these group of patients include membranoproliferative glomerulonephritis (immune complex mediated), minimal change disease, membranous nephropathy, and monoclonal immunoglobulin deposition disease (nonamyloid and amyloid).
Kowalewska J, Nicosia RF, Smith KD, Kats A, Alpers CE. Patterns of glomerular injury in kidneys infiltrated by lymphoplasmacytic neoplasms. Hum Pathol 2011; 42: 896–903
Poitou-Verkinder AL, Francois A, Drieux F, Lepretre S, Legallicier B, Moulin B, Godin M, Guerrot D. The spectrum of kidney pathology in B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma: A 25-year multicenter experience. PLoS One 2015; 10(3): e0119156
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