Case Report
Copyright ©The Author(s) 2025.
World J Clin Cases. May 26, 2025; 13(15): 103239
Published online May 26, 2025. doi: 10.12998/wjcc.v13.i15.103239
Figure 1
Figure 1 Renal biopsy pathology. A: Large cellular crescent with peripheral inflammatory cell infiltration (periodic acid-Schiff 400 ×); B: Large cellular fibrous crescent (periodic acid-silver methenamine 400 ×).
Figure 2
Figure 2  Changes in the 24-hour urine output.
Figure 3
Figure 3 Renal function during the patient’s treatment. BUN: Blood urea nitrogen; SCR: Serum creatinine; UA: Uric acid.
Figure 4
Figure 4 Timeline for treatment and follow-up. ANCA: Anti-neutrophil cytoplasmic antibody; IV: Intravenous.