Bladder stones : struvite stones may dissolve with dietary manipulation but oxalate stones need to be surgically removed unless they are small enough to be expelled .
膀胱结石：饍食控制可能会把鸟粪石溶解，但草酸盐结石则需要开刀取出，除非是细小到可以随尿排出。
Struvite stones