title: Spontaneous rupture of a hepatic cystadenoma and cystadenocarcinoma: report of two cases.
abstract: Hepatobiliary cystadenomas and cystadenocarcinomas are rare tumors. Differentiating between these tumors and benign hepatic cysts may be difficult. Because of their rarity, diagnosis is often delayed and may result in inaccurate treatment, resulting in unnecessary morbidity and mortality. The purpose of this report is to draw attention to these entities and their complications. We report on two cases with spontaneous rupture of hepatobiliary cystadenoma and cystadenocarcinoma cysts, initially treated as simple hepatic cysts by aspiration, or by aspiration combined with sclerotherapy. The spontaneous rupture of the cysts appeared years after the initial treatment of the cysts, leading in one case to a prolonged stay in an intensive care unit. In both cases, a formal liver resection was carried out and microscopic investigations revealed a mucinous cystadenocarcinoma and cystadenoma. In conclusion, although hepatobiliary cystadenomas and cystadenocarcinomas are rare findings, they should not be forgotten in the diagnostic workshop when examining patients with hepatic cysts. If hepatobiliary cystadenomas and cystadenocarcinomas cannot be excluded following radiological imaging, surgery is recommended.
authors.affiliation: Clinic of Surgery, Department of Transplantation and Liver Surgery, Helsinki University Hospital, PO Box 263, FIN, 00029 Helsinki, Finland.
authors.forename: Marko
authors.initials: M
authors.lastname: Lempinen
authors.forename: Leena
authors.initials: L
authors.lastname: Halme
authors.forename: Kirsti
authors.initials: K
authors.lastname: Numminen
authors.forename: Johanna
authors.initials: J
authors.lastname: Arola
authors.forename: Arno
authors.initials: A
authors.lastname: Nordin
authors.forename: Heikki
authors.initials: H
authors.lastname: Mäkisalo
mesh_terms: D000328:Adult; D003536:Cystadenocarcinoma / Q000473:pathology* / Q000601:surgery; D003537:Cystadenoma / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000473:pathology* / Q000601:surgery; D008875:Middle Aged; D012422:Rupture, Spontaneous; D014057:Tomography, X-Ray Computed