Figure 4
From: Breast vibro-acoustography: initial experience in benign lesions
VA, US and mammography images of Case 2. (A) Prone cranial caudal mammogram image corresponding to the VA image showing only a marker placed in the vicinity of a palpable mass. (B) US of same breast shows a hypoechoic lobulated mass. (C and D) VA images of the same breast at 60 kHz and at 20 mm and 25 mm depths, respectively. Arrows mark the location of the breast mass.