Stones b ultrasound remove particularly small can not be seen, generally can be seen. Stones line b ultrasound examination, general b ultrasound if found to have stones, the report will say that there is a strong echogenic mass, followed by acoustic shadows, while describing its size, number, shape and so on. If the location of the stone is deeper or the size of the stone is very small, the b ultrasound is likely to be unable to find, and clinical symptoms, you need to further improve the CT examination to clarify. Ultrasound is only an auxiliary examination tool, clinical diagnosis requires a comprehensive analysis of the condition, physical examination, and other comprehensive analysis, rather than relying on ultrasound alone to decide. If you suspect that there are stones, you can first b ultrasound preliminary examination, can not be found, then consider further examination. It needs to be done under the operation of professionals.