Lupus nephritis classes: Do not forget to Look for ⬇️ ▶️Crescent and tubulointerstitial findings are a poor prognosis. ▶️Microangiopathic changes (afferent and efferent arteriole) +- role of anti coagulation. Joan Merrill @RheumNow #Rnl2022 https://t.co/06bjobCtZZ