A young woman in her 30s presented to her primary care physician with complaints of severe lower extremity edema. One month prior to presentation, she had no complaints and on routine exam, presented without edema and a reported creatinine of 0.8 mg/dl.
As part of the work up for her edema, she was found to have AKI with a creatinine 1.7 mg/dl.
3 weeks later, she was evaluated in kidney clinic and was found to have nephrotic range proteinuria, and an active urinary sediment. Her creatinine remains mostly unchanged over the past 3 weeks.
On review of system: with exception of edema, no other complaints.
Bacterial bloodstream infection 1 year ago
Hypertensive with significant lower extremity edema
Laboratory and other data:
Creatinine 1.7 mg/dl.
Low C3, normal C4.
Positive cryo, pending characterization.
All SLE test negative.
Mild polyclonal IGM elevation.
Thorough infectious workup negative.