The earliest lesions in the kidney are multiple tuberculous foci in the cortex, the result of haematogenous spread from a primary focus in the lymph nodes of the neck, mediastinum or abdomen.

• 最早期的肾病变是肾皮质的多发性结核病灶，系由颈部、纵隔或腹部的淋巴结原发病灶经血行扩散所致。