Mercury Intoxication as a Rare Cause of Membranous Nephropathy in a Child

In adults, membranous nephropathy is the second most common cause of nephrotic syndrome. In contrast, minimal change disease and focal segmental glomerulosclerosis constitute the most common forms of nephrotic syndrome in children, while membranous nephropathy accounts for <5% of cases. In adults, causes of membranous nephropathy include autoantibodies directed against phospholipase A2 receptor and thrombospondin type 1 containing 7A, various infections, environmental toxicities, autoimmune disorders, malignancies, and other secondary forms.

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