PMC3016730_01
Case I: Acute chdeaystititis and multiple cystic veins
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F1
Two 1 mm veins were demonstrated within the triangle of Calot between the cystic duct and cystic artery (Figure 1).
PMC3016730_02
Case II: Cystic veins confluence with portal triad
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F2
A small venous structure was found to be crossing it and extending to the gallbladder (Figure 2).
PMC3016730_03
Case III: Acute chdeaystititis and multiple cystic veins.
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F3
Calot demonstrated venous structures between the later confirmed cystic duct and artery (Figure 3). Cholecystectomy proceeded uneventfully.