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8269 Medicine

A 25-year-old woman presents to the emergency room with new symptoms of decreased urine output, leg edema, and facial swelling. She was previously well and has no significant past medical history. Laboratory investigations reveal acute kidney injury and a renal biopsy is performed. Immunofluorescence of the biopsy specimen reveals a granular pattern of immune complex-mediated glomerulonephritis. (See Figure below) Which of the following conditions is most likely to cause this pattern of renal injury?

Aacute tubular necrosis (ATN)
BWegener granulomatosis
Cpostinfectious glomerulonephritis
Dhemolytic uremic syndrome (HUS)
Medicine
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