In serious cases they can lead to infections of the renal pelvis, which ultimately can damage the kidneys so severely that the patient will need dialysis or a kidney transplant.
一些严重的情况可能引起肾盂感染，最终引起严重的肾脏损伤，患者需要进行透析或者肾脏移植。
2
Pyelonephritis: Infection (usually Bacterial) and inflammation of kidney tissue and the renal pelvis.
肾盂肾炎：肾组织及肾盂的感染(通常为细菌性)和炎症。
3
Kidney surrounding hematoma or hematoma in pelvis area needs no immediate operation.