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- Publisher Website: 10.1007/978-1-4471-2942-4_10
- Scopus: eid_2-s2.0-84966396721
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Book Chapter: Mucinous Neoplasms of the Ovary
Title | Mucinous Neoplasms of the Ovary |
---|---|
Authors | |
Issue Date | 2014 |
Publisher | Springer Verlag |
Citation | Mucinous Neoplasms of the Ovary. In Wilkinson, N (Ed.), Pathology of the Ovary, Fallopian Tube and Peritoneum, p. 215-237. London: Springer Verlag, 2014 How to Cite? |
Abstract | Primary mucinous tumors represent 15 % of all ovarian tumors and are classified as either benign, borderline, or malignant. More than 80 % of mucinous tumors are benign, while only 2–7 % are malignant. An overwhelming majority of tumors show gastrointestinal differentiation. Those of Müllerian differentiation are more commonly borderline tumors and rarely benign or malignant. Distinction between intestinal- and Müllerian-type carcinomas may not always be easy, owing to tumor heterogeneity and the fact that some tumors are mixed, such that components of benign, borderline, and carcinoma often coexist within an individual lesion. The diagnostic difficulty is further compounded by the fact that some tumors do not fit agreeably into the three biologic subcategories. Benign tumors containing <10 % of borderline features have been designated cystadenomas with focal atypia or focal proliferation. They are biologically benign. Borderline tumors have mild-to-moderate cytologic atypia, and almost all are followed by an uneventful outcome. In those with severe atypia and a complex architecture but without stromal invasion, the term mucinous borderline tumor with intraepithelial carcinoma is used. These latter tumors have a very low risk of recurrence. Microinvasion refers to borderline tumors, whether with or without intraepithelial carcinoma, that have ≥1 foci of tumor cells infiltrating the stroma but with each focus <10 mm2. Provided the tumor has been adequately sampled to exclude occult foci of frank carcinoma, microinvasion does not seem to be an adverse prognostic factor. For mucinous carcinomas, the pattern of invasion is prognostically more relevant than grading, especially for stage I. Expansile-type stromal invasion refers to florid epithelial proliferation without intervening stroma. In infiltrative-type stromal invasion, there is irregular infiltration of the stroma by cells associated with stromal desmoplasia. The latter pattern is significantly associated with an adverse outcome. |
Persistent Identifier | http://hdl.handle.net/10722/212505 |
ISBN |
DC Field | Value | Language |
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dc.contributor.author | Ip, PCP | - |
dc.contributor.author | Cheung, ANY | - |
dc.date.accessioned | 2015-07-21T02:37:44Z | - |
dc.date.available | 2015-07-21T02:37:44Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Mucinous Neoplasms of the Ovary. In Wilkinson, N (Ed.), Pathology of the Ovary, Fallopian Tube and Peritoneum, p. 215-237. London: Springer Verlag, 2014 | - |
dc.identifier.isbn | 9781447129417 | - |
dc.identifier.uri | http://hdl.handle.net/10722/212505 | - |
dc.description.abstract | Primary mucinous tumors represent 15 % of all ovarian tumors and are classified as either benign, borderline, or malignant. More than 80 % of mucinous tumors are benign, while only 2–7 % are malignant. An overwhelming majority of tumors show gastrointestinal differentiation. Those of Müllerian differentiation are more commonly borderline tumors and rarely benign or malignant. Distinction between intestinal- and Müllerian-type carcinomas may not always be easy, owing to tumor heterogeneity and the fact that some tumors are mixed, such that components of benign, borderline, and carcinoma often coexist within an individual lesion. The diagnostic difficulty is further compounded by the fact that some tumors do not fit agreeably into the three biologic subcategories. Benign tumors containing <10 % of borderline features have been designated cystadenomas with focal atypia or focal proliferation. They are biologically benign. Borderline tumors have mild-to-moderate cytologic atypia, and almost all are followed by an uneventful outcome. In those with severe atypia and a complex architecture but without stromal invasion, the term mucinous borderline tumor with intraepithelial carcinoma is used. These latter tumors have a very low risk of recurrence. Microinvasion refers to borderline tumors, whether with or without intraepithelial carcinoma, that have ≥1 foci of tumor cells infiltrating the stroma but with each focus <10 mm2. Provided the tumor has been adequately sampled to exclude occult foci of frank carcinoma, microinvasion does not seem to be an adverse prognostic factor. For mucinous carcinomas, the pattern of invasion is prognostically more relevant than grading, especially for stage I. Expansile-type stromal invasion refers to florid epithelial proliferation without intervening stroma. In infiltrative-type stromal invasion, there is irregular infiltration of the stroma by cells associated with stromal desmoplasia. The latter pattern is significantly associated with an adverse outcome. | - |
dc.language | eng | - |
dc.publisher | Springer Verlag | - |
dc.relation.ispartof | Pathology of the Ovary, Fallopian Tube and Peritoneum. | - |
dc.title | Mucinous Neoplasms of the Ovary | - |
dc.type | Book_Chapter | - |
dc.identifier.email | Ip, PCP: philipip@hku.hk | - |
dc.identifier.email | Cheung, ANY: anycheun@hkucc.hku.hk | - |
dc.identifier.authority | Ip, PCP=rp01890 | - |
dc.identifier.authority | Cheung, ANY=rp00542 | - |
dc.identifier.doi | 10.1007/978-1-4471-2942-4_10 | - |
dc.identifier.scopus | eid_2-s2.0-84966396721 | - |
dc.identifier.hkuros | 245040 | - |
dc.identifier.spage | 215 | - |
dc.identifier.epage | 237 | - |
dc.publisher.place | London | - |