title: [Case of giant liver cyst with angiogenesis mimicking hemangioma that was difficult to differentiate from cystadenocarcinoma of the liver].
abstract: The patient was a 72-year-old man who had a history of hepatic cyst, which had, however, not been followed up. It was noted that he had internal hemorrhage in the hepatic cyst as well as a contrast-enhanced tumorous lesion in the cystic wall. Further detailed examination could not rule out hepatic cystadenocarcinoma or cystadenoma, so a right hepatic lobectomy was performed. The lesion was histopathologically diagnosed as non-malignant cyst with angiogenesis simulating cavernous hemangioma and intra-cystic hemorrhage. Although this disease is difficult to diagnose, its diagnosis is not impossible as long as the disease is kept in mind.
authors.affiliation: Department of Surgery, Ishinomaki Municipal Hospital.
authors.forename: Tetsuyuki
authors.initials: T
authors.lastname: Uchiyama
authors.forename: Takehiro
authors.initials: T
authors.lastname: Akahane
authors.forename: Mika
authors.initials: M
authors.lastname: Watanabe
authors.forename: Taku
authors.initials: T
authors.lastname: Kitayama
authors.forename: Hideo
authors.initials: H
authors.lastname: Ise
mesh_terms: D000368:Aged; D003536:Cystadenocarcinoma; D003560:Cysts / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D006392:Hemangioma, Cavernous; D006801:Humans; D008099:Liver / Q000098:blood supply / Q000473:pathology; D008107:Liver Diseases / Q000175:diagnosis* / Q000473:pathology; D008113:Liver Neoplasms; D008297:Male; D009389:Neovascularization, Pathologic