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The nephropathies of HIV infection: pathogenesis and treatment.

Several different renal syndromes have been reported in patients with HIV infection. Patient characteristics and a syndrome approach may help the clinician formulate a tentative diagnosis, but a renal biopsy is necessary to make a firm diagnosis in patients with chronic renal disease in the setting of HIV infection. The pathogenesis of the HIV nephropathies can teach us much about the pathophysiology of common renal problems such as IgA nephropathy, immune complex glomerulonephritis, focal segmental glomerulosclerosis, and diabetic renal disease. HIV-associated renal disease may be the result of the interaction of the expression of specific HIV genes in patients with distinct genetic susceptibilities to disease in particular environments. New treatment approaches have provided hope for patients with classic HIV-associated nephropathy.