Figure 1 shows a cystadenoma at conventional and echo-enhanced ultrasound. True diagnoses were ... was classified erroneously as cystadenoma. Liver metastases were found in one patient.

Only 27% of the cystadenomas and 67% of the pseudocysts could be correctly classified by conventional ultrasound. Conversely, 95% of the cystadenomas (P = 0.0001) and all pseudocysts were ...