Abstract
Accessory liver lobe is attached to main liver, and different from ectopic liver which is detached from main liver. Accessory liver lobes are incidentally noted at operation or necropsy in most cases. We reported 7 cases with accessory liver lobe diagnosed by laparoscopy. The cases were of 22 to 63 years old, including 6 females and one male. The biopsy diagnosis of main liver was chronic hepatitis in 4 cases, acute hepatitis, drug-indused hepatitis and autoimmune hepatitis in 1 case each. These accessory liver lobes were attached to quadrate lobe (S4) in 4 cases, and left liver lobe (S3) in 3 cases. Accessory liver lobes measured 3mm minimum and 10mm maximum in size. In shape, they were tongue-like in 3 cases, semioval and hemispherical in 2 cases each. All of them could not be demonstrated by ultrasonography and CT, and were asymptomatic.
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