Case 5

A 38-year-old male presents with acute renal failure and a creatinine of 3.0 mg/dL. Urinalysis revealsWBC's, noRBC's, and only 1+ proteinuria. Past medical history includes an upper respiratory tract infection 2 weeks earlier, which was treated with antibiotics.

Questions

  1. What is the best diagnosis?
  2. What are main pathologic findings seen in this condition?
  3. What is the most likely etiology of this condition in this patient?