Crescents are derived from: (A) Mesangium + fibrin + macrophage, (B) Visceral epithelial cells + fibrin + macrophage, (C) Parietal epithelial cells + fibrin + macrophages, (D) Tubular epithelium + fibrin + macrophages
Answer is C. Crescents are feature of RPGN.
They are made up of parietal epithelial cells,
fibrin and monocytcs / Macrophages.