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Iranian Journal of Pathology، جلد ۱۴، شماره ۳، صفحات ۲۳۲-۲۳۵
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عنوان انگلیسی Vascular Mimicry Expression in Invasive Ductal Carcinoma; A New Technique for Prospect of Aggressiveness
چکیده انگلیسی مقاله Background & Objective: In vascular (vasculogenic) mimicry (VM), tumoral cells mimic the endothelial cells and form the extracellular matrix-rich tubular networks. It has been proposed that VM is more extensive in aggressive tumors. This study was designed to investigate the rate of VM expression in the stromal cells of invasive ductal carcinoma (IDC) and to find its relationship with other clinicopathological factors. Methods: In this cross-sectional study, 120 patients with histopathologic diagnosis of IDC who received mastectomy were included. The VM expression was determined by immunohistochemistry (IHC). The clinicopathologic data including age, tumor size, histological grade, clinical stage, axillary lymph node metastasis, hormonal receptors, and survival were documented. Results: The mean (±SD) age of the patients was 51 (±13.83) years old. The stromal VM expression was detected in 16 of 120 patients (13.3%). Twelve specimens (75%) of positive VM expression group had grade 3 which was higher than negative VM expression group (9 cases, 8.65%; P< 0.001). The VM expression showed statistically significant relationship with higher histologic grade higher clinical stage (stage 3) of the tumor (62.5% vs. 87%; P=0.003), the presence of axillary lymph node metastasis (95.6% vs. 55.8%; P< 0.001), and positive HER-2 (100% vs. 31.1%; P< 0.001); but not estrogen receptor (ER) or progesterone receptor (PR). However, age, tumor size and mortality rate were not significantly different among the patients with and without VM expression. Conclusion: The stromal VM expression showed significant relationship with higher stage and grade of the tumor and the presence of nodal metastasis. The VM expression in IDC can be used as a marker for tumor aggressiveness.
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نویسندگان مقاله Amir Hosein Jafarian |
Department Of Pathology, Cancer Molecular Pathology Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Melika Kooshkiforooshani |
Pathology Department, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Abdolshakor Rasoliostadi |
Pathology Department, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Nema Mohamadian Roshan |
Pathology Department, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

نشانی اینترنتی http://ijp.iranpath.org/article_36275_61ba2a7b70818d55e294b24469da00b2.pdf
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