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  2. Volume 8, Issue 3
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Online ISSN: 2515-8260

Volume8, Issue3

Role of Dual Energy CT in Determination of Urolithiasis Chemical Composition

    Maamar Ahmed Hasan, Khaled Ahmed Lakouz, Mohamed Zakaria Alazzazy Nesma Adel Hamed

European Journal of Molecular & Clinical Medicine, 2021, Volume 8, Issue 3, Pages 4925-4935

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Abstract

Background: Factors that place a patient at risk for renal calculus formation are overall poorly understood. The concept of super saturation is essential to theories on calculus formation.The current study aimed to evaluate the role of dual energy computed tomography in determination of renal stone chemical composition which will effect there treatment strategy. Patients and methods: This study included 48 patients with nephrolithiasis who underwent non contrast CT study for evaluation using dual energy CT at private radiology center. Results: There was statistically significant difference between patients with different stone composition regarding location where (50.0%, 20.0% & 50.0%) of uric, Ca oxalate and cysteine stones respectively were in renal pelvic while all of upper calyceal kidney were cysteine stones. Also, there was statistically significant difference between patients with different stone compositionre garding clinical picture. Regarding age, sex and laterality, there was no statistically significant association with the different stones types. Patients underwent to extracorporeal shock wave lithotripsy were 54% and patients underwent to percutaneous nephrolithotomy were 21%. There was excellent agreement between DECT and crystallography on detection of stone types with (97.9%) success and (2.1%) failure rate of detection when using crystallography as a confirmatory test to DECT with identical results. Conclusion: Dual energy CT provides the anatomical information as number, location,maximal diameter, CT density and also characterize the stone chemical composition which use of this technique could help doctor and patient select appropriate treatment and avoid more invasive & high impact procedures.
Keywords:
    Dual energy CT Nephrolithiasis Uric acid stones
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(2022). Role of Dual Energy CT in Determination of Urolithiasis Chemical Composition. European Journal of Molecular & Clinical Medicine, 8(3), 4925-4935.
Maamar Ahmed Hasan, Khaled Ahmed Lakouz, Mohamed Zakaria Alazzazy Nesma Adel Hamed. "Role of Dual Energy CT in Determination of Urolithiasis Chemical Composition". European Journal of Molecular & Clinical Medicine, 8, 3, 2022, 4925-4935.
(2022). 'Role of Dual Energy CT in Determination of Urolithiasis Chemical Composition', European Journal of Molecular & Clinical Medicine, 8(3), pp. 4925-4935.
Role of Dual Energy CT in Determination of Urolithiasis Chemical Composition. European Journal of Molecular & Clinical Medicine, 2022; 8(3): 4925-4935.
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