Case 1

Epicrisis: Liver abscess in a 54 y male patient with immunosuppression (kidney transplantation) and bile duct stenosis. On presentation the patient was septic. Ultrasound shows a 3.5 cm anechoic lesion with some inner echogenic structures. After contrast injection the typical thin hypercontrasted margin can be seen in the arterial phase.

Case 2

Epicrisis: 35-year-old patient after respiratory infection with pleural effusion and pneumonia. CT-graphically, a liver lesion was found, with a suspicion of liver abscess. In CEUS the liquid parts are non-enhancing, the abscess capsule shows arterial hyperenhancement.