Poster Exhibition -Imaging Modalities Poster Session, Hall 5B Background: Levovist-enhanced ultrasonography using subtractions makes it possible to depict the perfusion of hyperechogenic nodules. Our institution performs Sonazoid-enhanced ultrasonography using a Toshiba APLIO80 that is set to a PS low images, as generally recommended. The resulting images, however, are difficult to evaluate the kind of staining image that is obtained from a hyperechogenic nodule. These staining images were then compared to Advanced Dynamic Flow (ADF) images of a hyperechogenic nodule recorded using Levovist-enhanced ultrasonography. Methods: The subjects were five nodules who had undergone Sonazoid-enhanced ultrasonography. Two patients had experienced a recurrence of HCC after TACE, while three patients had a hyperechogenic nodule of HCC that had never been treated. One patient with HCC after TACE was imaged at a PS low. The second patient with HCC after TACE and the three patients with HCC showing a high echoic nodule, were imaged using ADF. Results: In the patients with HCC after TACE, the remaining tumor was difficult to observe in both the vascular phase and the Kupffer phase taken at a PS low. In the other patients, however, images taken using ADF clearly showed the residual tumor. Also, with regard to the findings from the perfused images obtained from the three patients with hyperechogenic nodules of HCC, the HCC was more easily detectable in the ADF images than in those taken at a PS low. Conclusion: Hyperechogenic perfused nodules are easier to identify in images taken using ADF than in images taken using PS low.