intraglomerular mesangium which leads to "splitting" of the glomerular basement membrane.<unk>  involves deposits at the intraglomerular mesangium. It is also the main hepatitis C associated nephropathy. It also is related to a number of autoimmune diseases, prominently systemic lupus erythematosus (SLE), Class IV. Also found with Sjögren syndrome, rheumatoid arthritis, inherited complement deficiencies (esp C3 deficiency), scleroderma, Celiac disease. The histomorphologic differential diagnosis includes transplant glomerulopathy and thrombotic microangiopathies.
Membranoproliferative glomerulonephritis
Membranous glomerulonephritis
Transplant glomerulopathy
Mesangial proliferative glomerulonephritis
Focal proliferative nephritis
Minimal mesangial glomerulonephritis
Rapidly progressive glomerulonephritis
Diffuse proliferative nephritis