fig2

Figure 2. Greyscale images of the swelling with high frequency linear probe. (A) anechoic fluid in encapsulated space (white star) with echogenic fat lobule hanging against the margin (white arrow); (B) another similar image with fat lobule on the anterior aspect (upward arrow); (C) anechoic pure fluid in the space (white star); (D) two echogenic fat lobules (white arrows) hanging in the fluid