The pale areas seen here are tophi, or aggregates of urate crystals surrounded by infiltrates of lymphocytes, macrophages, and foreign body giant cells.
英
美
- 灰白区域是痛风石或由淋巴细胞、巨噬细胞、异物巨细胞浸润围绕的尿酸盐结晶的聚集物。