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Hepatobiliary cystadenoma with mesenchymal stroma: a hormone dependent tumor. Report of five cases with immunohistochemical study of hormone receptors


, : Hepatobiliary cystadenoma with mesenchymal stroma: a hormone dependent tumor. Report of five cases with immunohistochemical study of hormone receptors. Annales de Pathologie 20(1): 14-18

Hepatobiliary cystadenomas with mesenchymal stroma are rare neoplasms, which occur only in females; they have a strong tendency to recur and a potential for malignant transformation. Microscopic features are characteristic but clinical findings are highly variable and laboratory data non specific. We report 5 cases with immunohistochemical study, showing the characteristics of mesenchymal stromal cells: myofibroblastic phenotype and expression of progesterone receptors in all cases and estrogen receptors in 3 out of 5 cases. These results point out the possible hormonal dependance of this tumor.

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PMID: 10648983


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