Accordingly, it is fluky that sheet diagnoses uric road to affect by pyuria. 因此，单凭脓尿诊断尿路感染是不可靠的。
The onset of symptoms coincides with rupture of a caseous focus into one of the calyces, causing infection of the renal pelvis and the production of an apparently sterile pyuria. 随着干酪样变病灶破溃进入肾盏，从而引起肾盂的感染，并产生明显的无菌脓尿。
