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.
Quick note: This post is to be used for informational purposes only and does not constitute medical or health advice. Each person should consult their own doctor with respect to matters referenced. Arkana Laboratories assumes no liability for actions taken in reliance upon the information contained herein.