The infection with inflammation is characterized by the pale yellowish-tan areas next to the dilated calyces with hyperemic mucosal surfaces. 扩张肾盏的表面粘膜充血，靠近扩张肾盏的区域为黄褐苍白区，这是炎症感染的特征。
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。
美
['keɪlɪsiːz]
