This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Bacterial Diseases in Children, Subject name: Pediatrics
The most common pathogenic organism causing pyogenic liver abscess in children is: 
Select and explain. 
A. Staphylococcus aureus, B. H Influenzae, C. Entamoeba Histolytica, D. Klebsiella
A: Staphylococcus aureus
Answer: A: Staphylococcus aureus 
Explanation: In children with pyogenic liver abscesses, the most common pathogenic organisms include Staphylococcus aureus