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The different role of intratumoral and peritumoral lymphangiogenesis in gastric cancer progression and prognosis

 Kyung Ho Pak ; Ara Jo ; Jae-Ho Cheong ; Hyunki Kim ; Younghee Choi ; Hye Ji Choi 
 BMC Cancer, Vol.15 : 498, 2015 
Journal Title
 BMC Cancer 
Issue Date
BACKGROUND: Tumor-induced lymphangiogenesis plays a crucial role in metastasis and tumor progression. However, the significance of intratumoral lymphovascular density (I-LVD) and peritumoral lymphovascular density (P-LVD) has been controversial in gastric cancer. The purpose of this study was to investigate the differences of clinicopathologic characteristics with respect to I-LVD and P-LVD in gastric cancer. METHODS: Samples of I-LVD and P-LVD from 66 patients who had undergone radical gastrectomy for gastric cancer were assessed after staining with D2-40, an immunostaining marker for lymphatic endothelium. The mean number of lymphatic vessels in three hotspots was calculated in intratumoral and peritumoral areas. RESULTS: The peritumoral lymphatics were enlarged with dilated lumens compared to the intratumoral lymphatics. I-LVD was positively correlated with diffuse gastric cancer subtype, tumor stage, lymphovascular invasion, tumor node metastasis stage, and overall survival (P < 0.05). P-LVD was associated with lymphovascular invasion, node stage, and disease-free survival (P < 0.05). CONCLUSIONS: We conclude that P-LVD had an important role in lymph node metastasis, while I-LVD was more associated with depth of tumor invasion. However, both LVDs contributed to gastric cancer progression and prognosis.
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Yonsei Biomedical Research Center
1. 연구논문 > 1. College of Medicine > Dept. of Surgery
1. 연구논문 > 1. College of Medicine > Dept. of Pathology
Yonsei Authors
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