A member asked:

Doctor found a 'bladder stone' on ultrasound. but i got another u.s from a lab, which was normal. is one of them mistaken? 20 yr old, no other symptms

A doctor has provided 1 answer
Dr. James Lin answered

Here are some...: The ultrasonic image reflects the cumulating effects of multiple variables such as the size & density of the object and the the medium and space for sound transmission. Besides, professional subjective acuity and keenness plays an important role in interpretation. So,almost all all medical care is based on indirect evidence from continual collection & analysis of experience; if asymptomatic, ....

Answered 7/9/2016

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