Ann Hepatobiliary Pancreat Surg.  2017 Aug;21(3):107-113. 10.14701/ahbps.2017.21.3.107.

Clinicopathological features and post-resection outcomes of biliary cystadenoma and cystadenocarcinoma of the liver

Affiliations
  • 1Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. shwang@amc.seoul.kr

Abstract

BACKGROUNDS/AIMS
Biliary cystadenoma (BCA) and biliary cystadenocarcinoma (BCAC) account for 5%-10% of liver cystic diseases. In this study, we analysed the clinical presentation and surgical management of patients with BCA and BCAC.
METHODS
We retrospectively analysed the medical records of 23 BCA and 7 BCAC cases diagnosed between January 2007 and December 2013.
RESULTS
There was a statistically significant difference in age (p=0.044) and sex (p=0.048) between BCA and BCAC groups. In the BCA group, 17 patients showed no symptoms (74%), 5 had abdominal pain (22%) and 1 showed abdominal distension (4%). In the BCAC group, two patients were without any symptoms (29%), three had abdominal pain (43%), one showed abdominal distension (14%) and one had fever and chills (14%). The cystic lesion size was widely variable; thus, there was no statistical difference (p=0.84). Complete resection was performed in all patients with BCA and BCAC. No tumour recurrence developed in patients with BCA. In patients with BCAC, 1-, 3- and 5-year disease-free survival rates were 100%, 85.7% and 57.1%, respectively, and 1-, 3- and 5-year overall patient survival rates were 100%, 100% and 75.0%, respectively.
CONCLUSIONS
It is difficult to distinguish between BCA and BCAC via clinical manifestations and diagnostic imaging findings. Surgical resection is the treatment of choice for BCA and BCAC, and patient prognosis after complete resection was very favourable.

Keyword

Cholangiocarcinoma; Resection; Bile duct; Malignant change; Premalignant lesion
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