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Use of lumason/sonovue in contrast-enhanced ultrasound of the kidney for characterization of renal masses—a meta-analysis

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Indeterminate renal masses are a common clinical problem. CEUS has several advantages to characterize both cystic and solid renal masses including thin slice thickness, excellent background subtraction, and real-time imaging with a high frame rate. The ultrasound contrast agents are not nephrotoxic and can be used in patients with renal insufficiency and obstruction. The Bosniak classification has been developed for use in CT and MRI. A CEUS Bosniak classification has not yet been developed. This meta-analysis reviews the results of renal mass characterization using Lumason/Sonovue in characterizing renal solid and cystic masses. For complex cystic renal lesions (419 patients; 436 lesions), the pooled sensitivity and specificity of CEUS were 95% (95% CI: 91%, 99%) and 84% (95% CI: 77%, 90%) and for solid lesions (331 patients; 341 lesions), the pooled sensitivity and specificity of CEUS were 98% (95% CI: 95%, 100%) and 78% (95% CI: 68%, 88%), respectively.

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Correspondence to Richard G. Barr.

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RGB: Research Grants: Siemens Ultrasound, Philips Ultrasound, Samsung Ultrasound, Mindray Ultrasound, GE Medical; Speakers Bureau: Siemens Ultrasound, Philips Ultrasound, Mindray, Canon Medical Systems; Royalties: Thieme Publishers; Advisory Panels: Hologic.

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Barr, R.G. Use of lumason/sonovue in contrast-enhanced ultrasound of the kidney for characterization of renal masses—a meta-analysis. Abdom Radiol 47, 272–287 (2022).

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