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BILIARY CYSTADENOMA: LAPAROSCOPIC RESECTION & DIAGNOSTIC CHALLENGES
Belen Rivera^*, Stalin Canizares, Ritah Chumdermpadetsuk, Devin E. Eckhoff, David D. Lee, Martin Dib
Surgery, Beth Israel Deaconess Medical Center, Boston, MA

Biliary cystadenomas (BCA) are rare benign liver lesions with potential for malignant transformation. In case series, up to 80% of lesions initially diagnosed as BCA on imaging are ultimately found to be simple cysts on pathology. We present a laparoscopic resection of a suspected BCA in a 51-year-old woman with an enlarging hepatic cyst. Imaging revealed a complex cyst in the right lobe, with septations and areas of enhancement; however, pathology identified a simple biliary cyst. The video highlights the surgical approach to cyst resection and underscores that while BCA can be suggested radiologically, histopathological examination may reveal a benign simple cyst.

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