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Differentiating lymphovascular invasion from retraction artifact on histological specimen of breast carcinoma and their implications on prognosis.

Abstract：

:On a pathological specimen of breast cancer cells, retraction artifact during histological processing mimics true lymphovascular invasion (LVI). The accurate determination of the presence or absence of LVI is a factor in determining risk of having a positive sentinel node, or having additional positive axillary nodes after a positive sentinel node biopsy in women with early-stage breast cancer. The determination of nodal risk influences the decision of the treating physicians as to whether a sentinel node biopsy or completion axillary dissection is necessary. On slide preparation, ideal factors favoring true LVI include: a definite endothelial lining, with endothelial nuclei that seem to protrude into the lymphatic space; invasion in one lymphatic vessel (LV) lumen with nearby cancer glands that have minimal or no retraction; a tumor embolus in a LV clear lumen with outside nearby tumor bulk; a tumor embolus that is different in shape than its surrounding clear LV space; and a positive stain for fibrin, CD31, or CD34 on tumor embolus periphery.

journal_name

J Breast Cancer

journal_title

Journal of breast cancer

authors

Zaorsky NG,Patil N,Freedman GM,Tuluc M

doi

10.4048/jbc.2012.15.4.478

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

478-80

issue

4

eissn

1738-6756

issn

2092-9900

journal_volume

15

pub_type

杂志文章

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