Thyroidization of kidney reminiscent of thyroid follicles with accumulation of inspissated colloid-like material in renal tubules is a hallmark of chronic pyelonephritis.

• 肾脏的甲状腺化，即在肾小管中积聚浓缩的胶样物质，形似甲状腺滤泡，这是慢性肾盂肾炎的一个特征。