From:  Pyogenic liver abscess: contrast-enhanced ultrasound allows morpho-evolutive classification and guides personalized management
 

Main characteristics of the PLAs studied with CEUS*

Demographic characteristicsPLAs values
No patients44
No male/female24/20
Mean age (years ± SD)66 ± 14.7
No PLAs44
Mean size (cm ± SD)6.8 ± 3.2
Site right/left28/16
Etiology
  Neoplasia (colon/pancreas/biliary tract)2/4/4
  Acute calculous cholecystitis8
  Choledocholithiasis7
  Intrahepatic lithiasis3
  Post-surgery6
  Idiopathic5
  Diverticulitis2
  Diabetes2
  Foreign body1
Symptoms
  Fever > 38°C40
  Jaundice11
  Abdominal pain35
  Malaise8
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In 8 patients with multiple PLA only the largest one was studied with CEUS. SD: standard deviation