Step 1

Pathology 2

A 7-year-old girl is brought to the emergency department by her grandfather for evaluation of dark urine. He reports noticing earlier today that her urine was “brown like cola.” The patient's past medical history is unremarkable except for a sore throat three weeks prior that was treated with amoxicillin. There is no family history of hematologic disorders or renal disease. Vital signs include temperature 37.1 C (98.8 F), pulse 103 beats/minute, blood pressure 125/83 mmHg, and respirations 18/minute. On physical examination, mild periorbital edema is noted; the remainder of the exam is unremarkable.

If a renal biopsy were performed and examined under electron microscopy, which of the following findings would most likely be noted?

  • A) Effacement of foot processes
  • B) Hypercellular, inflamed glomeruli
  • C) Mesangial immune complex deposition
  • D) Normal glomeruli
  • E) Subepithelial humps

Authors

Dr. Ted O'Connell

Editor

Dr. Ted O'Connell

Last updated

May 10, 2022

Source

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