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Breast cancer with neoductgenesis : histopathological criteria and its correlation with mammographic and tumour features

Zhou, Wenjing (author)
Uppsala universitet,Institutionen för kirurgiska vetenskaper
Sollie, Thomas (author)
Tot, Tibor (author)
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Pinder, Sarah E (author)
Amini, Rose-Marie (author)
Uppsala universitet,Molekylär och morfologisk patologi
Blomqvist, Carl (author)
Fjällskog, Marie-Louise (author)
Uppsala universitet,Enheten för onkologi
Christensson, Gunilla (author)
Abdsaleh, Shahin (author)
Uppsala universitet,Enheten för onkologi
Wärnberg, Fredrik (author)
Uppsala universitet,Endokrinkirurgi
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 (creator_code:org_t)
Hindawi Limited, 2014
2014
English.
In: International Journal of Breast Cancer. - : Hindawi Limited. - 2090-3170 .- 2090-3189. ; 2014
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine (hsv//eng)

Keyword

Pathology
Patologi

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