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Case Reports
. 2012 May;1(2):86-91.
doi: 10.5582/irdr.2012.v1.2.86.

Accessory lobes of the liver: A report of 3 cases and review of the literature

Chenglin Wang  1 , Lin Cheng  1 , Ziqin Zhang  1 , Tingting Xie  1 , Heyu Ding  1 , Qianhua Deng  1 , Zhidong Yuan  1
Affiliations
Case Reports

Accessory lobes of the liver: A report of 3 cases and review of the literature

Chenglin Wang et al. Intractable Rare Dis Res. 2012 May.

Abstract

This article is about 3 cases of accessory lobes of the liver. Case One involved a pedunculated accessory lobe of the liver (ALL), Case Two involved a true ectopic liver, and Case Three involved a sessile accessory lobe of the liver. All 3 cases were diagnosed by computed tomography (CT) or magnetic resonance imaging (MRI) and confirmed by surgical and histological examination. The pertinent literature on accessory lobes of the liver is also reviewed.

Keywords: Accessory lobe of the liver (ALL); computed tomography (CT); magnetic resonance image (MRI).

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Figures

Figure 1.
Figure 1.
Case One. (A) T1WI showed a mass in the right posterior lobe of the liver. Inside, the signal was homogeneous, and a “flow void” signal from the portal vein and hepatic veins can be seen. (B) T2WI showed that the mass had the same signalintensity as normal liver tissue and vascular opacities can be seen inside. (C) Coronary scanning showed that the mass was demarcated from normal liver tissue by a low signal line. (D) Vertical scanning showed that the mass was connected to the right lobe by a stalk of tissue.
Figure 2.
Figure 2.
Case Two. (A) A CT scan showing an irregular mass at the back of the inferior vena cava and the liver; its density was uniform and the mass was clearly divided from normal liver tissue. (B) Enhanced scanning showed hepatic veins connected to the inferior vena cava. (C) Delayed phase: The mass had the same density as normal hepatic tissue and was demarcated from normal liver tissue by an enhanced line.
Figure 3.
Figure 3.
Case Three. (A) T2WI conventional scanning: A mass is located at the rear of the right lobe of the liver, its margins are distinct, its signal intensity is the same as the right lobe, and vascular opacity can be seen inside. (B, C) Enhanced scanning: Coronary scanning and sagittal scanning showed a mass located at the posterior-lateral costophrenicangle connected to the right lobe of the liver by a wide base. Vascular opacities are apparent inside the mass.
See this image and copyright information in PMC

References

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