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Boy 10 yo with mass at RUQ. Ultrasound detected one mass size of 6cm at lower liver, mobile and its structure as the liver tissue. Vascular supply from hepatic artery.
MSCT with CE showed this mass is in separation with liver, hypervascular, contrast enhance very fast and artery supply come from hepatic artery ( CT1, CT 2, CT 3).
In operation, this mass is near the gallblader, connected with the liver by Glisson capsule, the structure surface like liver.
Resection of this pedicule, macroscopic structure is looked like liver tissue.
Microscopic report it is normal liver tissue.
Conclusion: This liver mass is accessory liver lobe (ALL).