Left-sided gallbladder: Its clinical significance and imaging presentations

Table 1 Patient profiles and imaging results

Patient number	Clinical status and history	Club-shaped form portal vein (ultrasound finding1)	Left lateral segment of liver (computed tomography finding2)	Segment IV artery (angiogram finding)	Portal vein configuration (angio-portogram finding)
1	HCV, HCC, right hepatectomy	Over right lobe liver	Hypertrophic	From RHA	Trifurcation type
2	HCC, HBV and HCV	Not clear	Normal size	Not obvious	Other type
3	Right lobe HCC	Over right lobe liver	Mild hypertrophic	From RHA	Trifurcation type
4	Right lobe HCC, HBV	Over right lobe liver	Normal size	> From RHA	Trifurcation type
5	Hysterectomy, abdominal pain	Not clear	Normal size	NA	Not available
6	Liver tumor, HBV	Not clear	Mild hypertrophic	NA	Not available
7	Multiple HCC	Over right lobe liver	Normal size	NA	Not available
8	HCC, left lateral partial segmentectomy	Not clear	Normal size	From LHA	Trifurcation type
9	HCC, left lateral segmentectomy	NA	Normal size	Not obvious	Other type

¹No umbilical portion over left lobe liver in all patients whose US results were available;

²Club-shaped form portal vein over right side of the liver, no umbilical portion over left lobe of the liver. No defined segment IV in any patients. HBV: Hepatitis B carrier; HCV: Hepatitis C carrier; NA: Not available; RHA: Right hepatic artery.