How do steroids and/or DMARDs affect biopsy results if a renal biopsy for suspected lupus nephritis is delayed?

In contrast to GCA/TA, where the Mayo clinic has published data that steroid treatment for as much as circa 2-4 weeks is unlikely to result in a false-negative biopsy, as long as accounts for the skip phenomenon and carefully examines multiple sections of the biopsy, I am unaware of similar information regarding SLE nephritis. With that said, our practice at NYU is not to delay steroids or medications including MMF or cyclophosphamide pending biopsy. Additionally, as part of my participation in ...