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Dvoryakovskiyi.V., AkopyanA.I., Zorkin s.N.
POSSIBLE ERRORS IN THE RECOGNITION OF KIDNEY STONES ACCORDING TO DATA OF ULTRASOUND EXAMINATION
Federal State Autonomous Institution National Scientific and Practical Center of Children's Health of the Ministry of Healthcare of the Russian Federation, 2, bld. 1, Lomonosov avenue, Moscow, 119991, Russian Federation
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. 2017; 20(1) DOI: http://dx.doi.org/10.18821/1560-9561-2017-20-1-53-57
The first method of the examination for suspected urolithiasis in children is ultrasound (US) diagnosis, allowing with the high accuracy to identify concrements of 5 mm or more, as hyperechoic signals in organs of the urinary system. However, the diagnostic accuracy is reduced in the presence of smaller stones, it can also be a lot of small structures, not associated with calculi. There are described ultrasound signs of the differentiation between the stones and not associated with them structures in the kidneys in children with various forms of pathology. A common feature of these structures is the absence of distal shadow in the study, even in examination with the help of high-frequency transducers. There are also shown some artifacts of both vascular and non-vascular origin which in the case of a small size resemble concrements. Therefore it is possible to use color Doppler. The authors emphasize the importance of other research methods, indicating that the data of the ultrasound examination results are inconclusive. An alternative method is computed tomography of kidneys.
Keywords: ultrasound diagnosis; urolithiasis in children; color Doppler ultrasound; computed tomography of the kidneys.
For citation: Dvoryakovskiy I.V., Akopyan A.I., Zorkin S.N. Possible errors in the recognition of kidney stones according to data of ultrasound examination. Rossiiskii Pediatricheskii Zhurnal (Russian Pediatric Journal). 2017; 20(1): 53-57. (In Russian). DOI: http://dx.doi.org/10.18821/1560-9561-2017-20(1)-53-57
For correspondence: Igor V. Dvoryakovskiy I.V., MD, PhD, DSci., professor, chief researcher of the Department of Ultrasound Diagnostics of the Scientific Centre of Children Health, 2, bld. 2, Lomonosov avenue, Moscow, 119991, Russian Federation. E-mail: dvoryakovskiy@nczd.ru
Conflict of interest. The authors declare no conflict of interest.
Acknowledgement. The study had no sponsorship.
Received 12.09.2016 Accepted 20.12.2016
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