Liang FS, Zhang B, Lan YX, Liang J, Ding J. Relationship between folded gallbladder and risk of gallstone formation.
Shijie Huaren Xiaohua Zazhi 2016;
24:2390-2393. [DOI:
10.11569/wcjd.v24.i15.2390]
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Abstract
AIM: To explore the relationship between morphologically folded gallbladder and gallstone formation.
METHODS: A case-control study was performed in 169 patients with cholecystolithiasis who underwent laparoscopic cholecystectomy (stone group) and 200 healthy persons without cholecystolithiasis who underwent physical examination (control group) from January 2013 to December 2014 in the Department of Hepatobiliary Surgery, the Affiliated Dalian Friendship Hospital, Dalian Medical University. Criteria for the diagnosis of folded gallbladder included: (1) ultrasonography showed separation of the gallbladder in the control group, while CT and laparoscopic examinations showed that the angle between the long axis of the gallbladder and the folded part was ≥ 60° in the observation group; and (2) adenomyoma of the gallbladder was excluded pathologically. According to the proportion of the cube of the affected gallbladder, the morphologic folding was classified as 1/4, 1/3, 1/2, and 2/3. The type of cholecystolithiasis was also classified.
RESULTS: There were 54 (32%) cases of folded gallbladder in the stone group and 14 (7%) cases in the control group, and there was a significant difference between the two groups. There were 6 cases with 1/4 folding, 18 cases with 1/3, 13 cases with 1/2, and 17 cases with 2/3. There were 52 cases of folding towards the right and 2 cases of folding towards the left. According to the type of cholecystolithiasis, there were 32 (n = 54, 59.3%) cases of bile pigment calculus in the folded gallbladder group and 46 (n = 115, 40%) cases in the non-folded group (P < 0.05).
CONCLUSION: Folded gallbladder has a high incidence rate in patients with gallstones and is one of major risk factors for gallstone formation. The rate of bile pigment calculu is high in patients with folded gallbladder.
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