Stagnation of urine in the kidney pelvis seems to greatly encourage pyelitis.

看起来，肾盂内尿潴大大地促使肾盂肾的发生。

Tuberculous pyelitis showed deformed renal pelvis, filling defect and hydronephrosis.

结核性肾盂CT为肾盂及部分肾大盏变形、充盈缺损及积水征。