July 27, 2018
Twitter Poll (July 26, 2018)

- Published: July 27, 2018
- By: Vanessa Moreno, MD
- Tags: Acute kidney injury, Autoimmune, Proliferative glomerulonephritis, Proliferative lupus nephritis, Wire loops
ANSWER: C
The patient has a Diffuse Lupus Nephritis, Class IV-S (A). Although biopsy shows focal and segmental proliferative glomerulonephritis that could represent a Class III, the presence of diffuse wire loop (subendothelial) deposits warrants the designation of a Class IV.