Amebic liver abscess

A 37-year-old man with amebic liver abscess.
(A) Sonogram shows a round mass consisting of a band of peripheral solid part (arrows), and central liquefied part showing low-level internal echoes.
(B) Contrast-enhanced computed tomography scan shows a peripheral solid part and central liquefied part. At surgery, the central portion was liquefied and contained "anchovy paste."