Differential diagnosis for urinary stones of different chemical composition, by using dual energy computed tomography

DOI: https://doi.org/10.29296/25877305-2023-03-08
Issue: 
3
Year: 
2023

V. Ryazanov(1), MD; V. Kutsenko(1), Candidate of Medical Sciences; G. Sadykova(1), Candidate of Medical Sciences; S. Menshikova(1); P. Seliverstov(2), Candidate of Medical Sciences; S. Bagnenko(1, 2), MD; A. Nikolaev1; R. Postanogov(1); A. Libert(1)
1-Saint Petersburg State Pediatric Medical University, Ministry of Health of Russia
2-S.M. Kirov Military Medical Academy, Saint Petersburg

The use of dual energy computed tomography (DECT) has become widespread in urology, including in the diagnosis of urolithiasis. DECT makes it possible to visualize and differentiate urinary stones of different chemical density and composition from each other. Studies have shown the advantages of DECT not only in the detection, but also in the differentiation of the main groups of urinary stones. At the same time, a number of in vivo studies evaluate DECT as a technique for the high-accuracy differential diagnosis of urate stones. The accuracy of diagnosing urate stones with DECT reaches 92-100%, as confirmed by sensitivity (84.6-98.4%) and specificity (100%).
Keywords: 
urology
dual energy computed tomography
urolithiasis
urinary stones
imaging
differential diagnosis

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