肾盂肾盏憩室是肾实质内覆盖以移行上皮细胞的囊腔,其颈部狭窄与肾盂或肾盏相通,憩室无分泌功能,但含有返流而入的尿液。本病较少见,多无病状,常为尿路造影的意外发现。作者复习本院1974～1972年未经选择的3730例排泄性尿路造影, Pyelonephral diverticulum is covered within the renal parenchyma cyst transitional epithelial cells, the neck stenosis and renal pelvis or renal connected, diverticulum non-secretory function, but with reflux into the urine. The disease is less common, more disease-free, often Unexpected findings of urography. The author reviewed our hospital from 1974 to 1972 unselected 3730 cases of urinary tract urography,