Class IV lupus nephritis is:: (A) Mesangial lupus nephritis, (B) Proliferative lupus nephritis, (C) Membranous lupus nephritis, (D) Diffuse lupus nephritis
Answer is D. Classification of Lupus Nephritis Class I Minimal Mesangial Lupus Nephritis Class II Mesangial Proliferative Lupus Nephritis Class III Focal Proliferative Lupus Nephritis Class IV Diffuse Proliferative Lupus Nephritis Class V Membranous Lupus Nephritis Class VI Advanced Sclerotic Lupus Nephritis