When excessive immunoglobulin A accumulates in your kidneys, it can harm the blood vessels responsible for filtering waste. If your doctor suspects you have IgA nephropathy, also known as Berger’s disease, a kidney biopsy may be necessary to confirm the diagnosis. There are different methods for obtaining a kidney tissue sample. A percutaneous kidney biopsy uses a thin needle and ultrasound guidance, while a more invasive open kidney biopsy is performed under general anesthesia. In this Mini Med School explainer, we go through both kidney biopsy procedures in detail.

For more content on kidney disease, visit: HealthCentral.com.

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