Contrast agents are used widely in most imaging modalities when evaluating renal pathology. Ultrasound contrast agents have the potential to yield increased information in sonography of renal masses. This article presents four cases of patients with various renal pathology and the impact of the addition of an ultrasound contrast agent (Definity, DuPont Pharmaceuticals, North Billerica, MA) on the imaging studies. The value of using pulse cancellation software to allow for gray-scale sonographic evaluation is discussed.
Correas JM , Helenon O, Moreau JF: Current assessment of renal ultrasound and the future role of contrast enhancement. Appl Radiol1997;26(suppl):20–24.
2.
Peterson CL , Barr RG: Contrast-enhanced sonography in patients with renal pathology. JDMS2000;16:53–56.
3.
Kim AY , Kim SH, Kim YS, et al: Contrast enhanced power Doppler sonography for differentiation of cystic renal lesions. J Ultrasound Med1999;18:581–588.
4.
Weskott HP , Brands A: Transpulmonary ultrasound contrast agent helps to characterize small renal masses. Radiology1997;205:242-242.
5.
Merton DA : An easily implemented method to improve detection of ultrasound contrast in body tissues: frame-one imaging. JDMS2000;16:14–20.
6.
Forsberg F , Goldberg BB: Advances in ultrasound contrast imaging techniques. Appl Radiol1999;28(suppl):5–10.
