Summary
While cystic malformations of the main biliary tract are wellknown and classified, it is exceptional to find cystic malformations of the accessory biliary tract (cystic duct). An adolescent aged 15 years and an adult of 49 years were operated for cysts of the cystic duct revealed by associated lesions, a cyst of the common bile-duct and gallbladder stones respectively. Ultrasonography showed cystic lesions which opacification during intravenous cholangiography and endoscopic retrograde cholangiography (EPRC) proved to be related to the cystic duct. The radiography outline of the biliary pathways so obtained served as a guide to the operative procedure, consisting of excision of the accessory biliary tract in both cases combined with resection of the common bile-duct cyst in one case. The radiologic, anatomic and histologic findings distinguished the lesions encountered from other malformations of the accessory biliary tract and confirmed their derivation from the cystic duct.
Résumé
Si les malformations kystiques de la voie biliaire principale sont bien connues et classées, il est exceptionnel d'observer des malformations kystiques de la voie biliaire accessoire portant sur le canal cystique. Un adolescent de 15 ans et un adulte de 49 ans ont été opérés pour kyste du canal cystique révélés par des lésions associées, respectivement un kyste du cholédoque et une lithiase vésiculaire. L'échographie a découvert les lésions kystiques que les opacifications au cours de la cholangiographie intra-veineuse et de la cholangiographie rétrograde endoscopique (CREP) ont permis de rapporter au canal cystique. La carte biliaire radiologique ainsi obtenue a guidé le geste opératoire consistant dans les deux cas en une exérèse de la voie biliaire accessoire avec résection dans un cas du kyste cholédocien associé. Les données radiologiques, anatomiques et histologiques permettent de distinguer les lésions rencontrées des autres malformations de la voie biliaire accessoire et d'affirmer l'appartenance au canal cystique de ces lésions kystiques.
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Champetier, P., Partensky, C. & Ponchon, T. Cystic malformations of the cystic duct. Surg Radiol Anat 9, 287–291 (1987). https://doi.org/10.1007/BF02105298
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DOI: https://doi.org/10.1007/BF02105298