title: Cystadenocarcinoma of the pancreas manifested as a splenic cyst.
abstract: The case of a 69-year-old man with a multicystic splenic tumor was reported. The tumor occupied about half of the spleen. It was composed of multiple cysts and histologically confirmed as a cystadenocarcinoma. Invasion was observed in the splenic flexure of the colon. A small portion of the pancreatic tail was also involved in the tumor. As to the histogenesis of this "splenic cystic tumor", two possible viewpoints, that is, a growth as a secondary metastasis of a cystadenocarcinoma of the pancreatic tail, and a development on the basis of an aberrant pancreatic tissue in the spleen, were proposed. Regardless of its histogenetical aspects, such a splenic lesion as the present case seems to occur extremely rarely, and only one instance similar to our case could be found in the literature.
mesh_terms: D000368:Aged; D003106:Colon / Q000601:surgery; D003536:Cystadenocarcinoma / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008297:Male; D010179:Pancreas / Q000601:surgery; D010190:Pancreatic Neoplasms / Q000473:pathology* / Q000601:surgery; D013156:Splenectomy; D013160:Splenic Neoplasms / Q000473:pathology* / Q000601:surgery