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Breast cancer with neoductgenesis: histopathological criteria and its correlation with mammographic and tumour features
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
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2014 (English)In: International Journal of Breast Cancer, ISSN 2090-3170, E-ISSN 2090-3189, Vol. 2014, 581706Article in journal (Refereed) Published
Abstract [en]

Introduction. Breast cancer with mammographic casting type calcifications, high grade DCIS with an abnormal number of ducts, periductal desmoplastic reaction, lymphocyte infiltration, and tenascin-C (TN-C) overexpression has been proposed to represent a more aggressive form of breast cancer and has been denominated as breast cancer with neoductgenesis. We developed histopathological criteria for neoductgenesis in order to study reproducibility and correlation with other tumour markers.

Methods. 74 cases of grades 2 and 3 DCIS, with or without an invasive component, were selected. A combined score of the degree(s) of concentration of ducts, lymphocyte infiltration, and periductal fibrosis was used to classify cases as showing neoductgenesis, or not. Diagnostic reproducibility, correlation with tumour markers, and mammographic features were studied.

Results. Twenty-three of 74 cases were diagnosed with neoductgenesis. The kappa value between pathologists showed moderate reproducibility (0.50) (95% CI; 0.41-0.60). Neoductgenesis correlated significantly with malignant type microcalcifications and TN-C expression (P = 0.008 and 0.04) and with ER, PR, and HER2 status (P < 0.00001 for all three markers).

Conclusions. We developed histological criteria for breast cancer with neoductgenesis. Neoductgenesis, by our applied histopathological definition was related to more aggressive tumour biology and malignant mammographic calcifications.

Place, publisher, year, edition, pages
2014. Vol. 2014, 581706
National Category
Basic Medicine
Research subject
Pathology
Identifiers
URN: urn:nbn:se:uu:diva-245407DOI: 10.1155/2014/581706PubMedID: 25400950OAI: oai:DiVA.org:uu-245407DiVA: diva2:791158
Available from: 2015-02-26 Created: 2015-02-26 Last updated: 2017-12-04Bibliographically approved

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Amini, Rose-MarieFjällskog, Marie-LouiseWärnberg, Fredrik

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