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Classification of double gallbladder. Adopted from Herlaftis N, Gray SW, Skandalakis JE4
| Types | Anatomic description |
|---|---|
| A (The split primordium group) | Single cystic duct entering the common bile duct |
| B (The accessory gallbladder group) | Two or more cystic ducts opening separately into the CBD |
| C (Miscellaneous anomalies) | Other rare anomalies not included in A or B group |
