285846.fig.002a
(a)
285846.fig.002b
(b)
Figure 2: A cystic mass was observed on the right lateral isthmic region with a size of 22 × 16 mm on gray scale and 3D sonography. Color flow and spectral Doppler imaging of the cystic mass revealed marked aliasing and bidirectional flow representing systolic and diastolic blood flow.