Contrast-enhanced ultrasound diagnoses small renal lesions

June 3, 2008 Contrast-enhanced ultrasound diagnoses small renal lesions Wendy Despain -------------------------------------------------------------------------------- Solid renal parenchymal lesions with a diameter of 5 cm or less can be difficult to diagnose, requiring irradiation and biopsy. Catching renal cell carcinoma in early stages before tumors grow larger than 7 cm, however, increases a patient's chances of survival over five years. Researchers in China have found that contrast-enhanced ultrasound can accurately diagnose these small lesions. Dr. Li Fan and colleagues in the ultrasound department at the Shanghai Jiaotong University Affiliated First People's Hospital studied 71 patients with a total of 72 solid renal parenchymal lesions with a maximum diameter of 5 cm. They published their findings in the June issue of the Journal of Ultrasound in Medicine.

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