Nephrologist Question:
What is IgA nephropathy (nef-RAHP-uh-thee)?
Answer:
A kidney disorder caused by deposits of the protein immunoglobulin A (IgA) inside the glomeruli (filters) within the kidney. The IgA protein damages the glomeruli, leading to blood and protein in the urine, to swelling in the hands and feet, and sometimes to kidney failure.
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