Malterials and Methods: Forty - six patients with hydronephrosis were examined with heavy T2WI FASE, we observed CMD on T1WI imaging in these 46 patients and evaluated the function of the damaged kidney in 12 cases using EPI.

• 材料与方法： 46例用重T2WI FASE序列作磁共振尿路造影（MRU）的患者。 在T1WI图像上，对肾皮质－髓质分界（CMD）进行观测。