Abstract
Purpose: To compare the capabilities and evaluate the effectiveness of gray-scale B-mode, Doppler mapping and contrast enhanced in the assessment of cystic renal lesions.Material and methods: Ultrasound examination (US) was performed in 61 patients with cystic kidney formations (category Bosniak ≥ II). Cysts of categories Bosniak ≥ III were histologically verified, rest (categories II–IIF) were under follow up. All patients underwent gray-scale ultrasound, color Doppler imaging and contrast enhanced (CEUS).Results: The efficiency of the B mode was: sensitivity 55.6 %; specificity 72.1 %; accuracy 62.3 %, in the CDI mode these indicators were 52.8; 80.1; 63.9 %, respectively. Contrast ultrasound significantly increased the capabilities of the method, and also made it possible to evaluate cystic formations according to the Bosniak criteria with indicators of the effectiveness of the method up to 100.0; 92.0; 96.7 %, respectively.Conclusions: CEUS demonstrated high informative value in the assessment of renal cystic formations in comparison with native ultrasound and Doppler modes, and therefore the technique should be considered as promising for inclusion in the algorithm of examination of complex renal cysts.
Highlights
Doppler mapping and contrast enhanced in the assessment of cystic renal lesions
Contrast ultrasound significantly increased the capabilities of the method
evaluate cystic formations according to the Bosniak criteria with indicators
Summary
Наше исследование продемонстрировало высокую эффективность КУЗИ с показателями AUC 0,96 (в сравнении с 0,63 и 0,66 для серошкального и доплеровского режимов соответственно), а потому дальнейшие исследования в данном направлении с перспективой включения методики в стандартный алгоритм диагностики кистозных опухолей почек, на наш взгляд, не только оправданы, но и необходимы. Qiu X, Zhao Q, Ye Z, et al How does contrast-enhanced ultrasonography influence Bosniak classification for complex cystic renal mass compared with conventional ultrasonography? Evaluation of indeterminate renal masses with contrast-enhanced US: a diagnostic performance study. Is there a need to modify the bosniak renal mass classification with the addition of contrast-enhanced sonography? Кадырлеев: получение данных для анализа, анализ полученных данных; написание текста рукописи, разработка дизайна исследования; обзор публикаций по теме статьи. Багненко: получение данных для анализа, анализ полученных данных; написание текста рукописи, разработка дизайна исследования. Petersburg State Pediatric Medical University; 2, Litovskay street, Saint-Peterburg, Russia 194100; 3 Saint Petersburg State University; 7/9, Universitetskaya embankment, Saint-Petersburg, Russia 199034
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