CLINICAL IMPLICATIONS OF DUAL-ENERGY COMPUTED TOMOGRAPHY IN THE DIAGNOSIS AND TREATMENT OF UROLITHIASIS


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Abstract

Urolithiasis (urolithiasis) is one of the most common urologic diseases with an estimated prevalence of no less than 3% in the population, usually affecting active working-age patients of 30-50 years. Taking into account major public health and economic significance of this problem, there is the need for the development of effective modern diagnostic techniques. Rapid medical-technological advances of the past two decades have led to the wide spread use of minimally invasive surgery the management of urolithiasis. Nevertheless, surgical intervention only removes the result of a long pathological process and does not change its course. Thus, there is a need for a detailed understanding of the etiology, epidemiology, and pathogenesis of urolithiasis. Diagnostic imaging plays a key role in the diagnosis of urolithiasis. Multislice spiral computed tomography (MSCT) is the gold standard for the diagnosis of urolithiasis. It provides information about the size, location, and density of the calculus. Over the past decade, the use of dual-energy computed tomography (DECT) in urological practice has been widely discussed in the international and domestic literature. One of the main advantages of DECT is the ability to determine the chemical composition of urinary stones. Previous studies have reported a high diagnostic value of the method, including the ability to predict treatment outcomes. However, the shortcomings of the method and the absence of standardized examination protocols leave a wide field for further research. This article reviews major distinctive features of using DECT in the diagnosis of urolithiasis.

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About the authors

L. B Kapanadze

I.M. Sechenov First MSMU of Minzdrav of Russia (Sechenov University)

Email: Lidakap@rambler.ru
Teaching Assistant at the Department of Diagnostic Imaging and Radiation Therapy, Faculty of Medicine Moscow, Russia

S. K Ternovoy

I.M. Sechenov First MSMU of Minzdrav of Russia (Sechenov University)

Corr. Member of the RAS, Dr.Med.Sci., Professor, Head of the Department of Diagnostic Imaging and Radiation Therapy, Faculty of Medicine Moscow, Russia

V. I. Rudenko

I.M. Sechenov First MSMU of Minzdrav of Russia (Sechenov University)

Dr.Med.Sci., Professor, Head of the Department of Extracorporeal Shock-Wave Lithotripsy Moscow, Russia

N. S Serova

I.M. Sechenov First MSMU of Minzdrav of Russia (Sechenov University)

Corr. Member of the RAS, Dr.Med.Sci., Professor at the Department of Diagnostic Imaging and Radiation Therapy, Faculty of Medicine Moscow, Russia

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