The renal biopsy showed features of acute tubular necrosis, deposition of hemosiderin and positive urate stain in the proximal tubular cells, without vascular thrombosis.

• 肾脏切片检查显示急性肾小管坏死，血铁质沉积于近端肾小管细胞并且呈阳性尿酸盐染色，无血管栓塞。