Can kidney stones be diagnosed?

The physical examination of kidney stones is based on a variety of circumstances to judge whether it can be checked out: depending on the seriousness of the doctor and the precision of the instrument, there are many ways to judge the location of the stone. If we use an x-ray examination to judge a negative stone, then the physical examination is not detected. But if we want to use color ultrasound to judge stones, then we can judge 90% of the stones. And we in the physical examination process, if the use of urinary CT to judge, then 95% of the stone results can be checked out. Therefore, in the physical examination process, the occurrence of kidney stones and physical examination positive examination, is based on a variety of results and the ability of the doctor to judge, in order to know whether to detect stones.