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Secondary Membranous Nephropathy. A Narrative Review
Gabriella Moroni1, Claudio Ponticelli2
1Nephrology Unit Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca' Granda Ospedale Maggiore, Milan, Italy.
Membranous nephropathy (MN) has primary and secondary forms. Identifying secondary causes like infections or autoimmune diseases is crucial for effective treatment and potential cure.
Area of Science:
- Nephrology
- Immunology
- Pathology
Background:
- Membranous nephropathy (MN) is a leading global cause of proteinuria and nephrotic syndrome.
- MN presents as primary (autoimmune, ~70% of cases) or secondary to infections, drugs, cancer, or other autoimmune diseases.
- Clinical presentation is similar for both forms, but outcomes and treatments differ.
Conclusions:
- Differentiating primary from secondary MN is critical for appropriate management.
- Identifying and eradicating the cause of secondary MN is paramount for patient prognosis.
- Further research into pathogenesis and targeted therapies for secondary MN is warranted.
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