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

结盂炎CT表现为盂及部分大盏变形、盈缺损及积水征。

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

看起来，盂内尿潴大大地促使盂炎的发生。