Pyogenic liver abscess in the suppurative phase will appear as:

Pyogenic liver abscess on ultrasound Multiple with irregular and faded margins. Their echogenicity varies Hypoechoic (pre-suppurative and resolution phase) Anechoic with floating or stratified echoes Hyperechoic (suppurative phase) In the chronic phase,walls may be hyperechoic with a thick fibrous capsule,and surrounded by a thin hypoechoic halo Ref:ultrasound of parasitic disease , 20.11.2012 11:05.