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Immunohistochemical detection improves the prognostic value of lymphatic and blood vessel invasion in primary ductal breast cancer.

Abstract：

BACKGROUND:Lymphovascular invasion (LBVI) including lymphatic (LVI) and blood (BVI) vessel invasion is a critical step in cancer metastasis. In breast cancer, the optimal detection method of LBVI remains unclear. This research aimed to compare the prognostic value of different assessments of the LVI and BVI in patients with early breast cancer. METHODS:The study cohort included 360 patients with a median follow-up of 168 months. LBVI on H&E sections (LBVIH&E) was reviewed centrally and blinded to the pathology report. Immunohistochemical staining for D2-40 and Factor VIII was performed to identify LVID2-40 and BVIFVIII. RESULTS:LBVIH&E, LVID2-40 and BVIFVIII were present in 102 (28%), 127 (35%) and 59 (16%) patients respectively. In node-negative patients (206), LBVIH&E, LVID2-40 and BVIFVIII were present in 41 (20%), 53 (26%) and 21 (10%) respectively. In triple-negative patients (120), LBVIH&E, LVID2-40 and BVIFVIII were present in 35 (29%), 46 (38%) and 16 (13%) respectively. LBVIH&E was significantly associated with tumour recurrence in the whole cohort (P < 0.001), node-negative patients (P = 0.001) and triple-negative patients (P = 0.004). LVID2-40 and BVIFVIII were significantly associated with tumour recurrence in whole cohort, node-negative (all P < 0.001) and triple-negative patients (P = 0.002). In multivariate survival analysis, only LVID2-40 and BVIFVIII were independent predictors of cancer specific survival in the whole cohort (P = 0.023 and P < 0.001 respectively), node-negative patients (P = 0.004 and P = 0.001 respectively) and triple-negative patients (P = 0.014 and P = 0.001 respectively). CONCLUSION:Assessment of LVI and BVI by IHC using D2-40 and Factor VIII improves prediction of outcome in patients with node-negative and triple-negative breast cancer.

journal_name

BMC Cancer

journal_title

BMC cancer

authors

Gujam FJ,Going JJ,Mohammed ZM,Orange C,Edwards J,McMillan DC

doi

10.1186/1471-2407-14-676

subject

Has Abstract

pub_date

2014-09-18 00:00:00

pages

676

issn

1471-2407

pii

1471-2407-14-676

journal_volume

pub_type

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Immunohistochemical detection improves the prognostic value of lymphatic and blood vessel invasion in primary ductal breast cancer.