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Published on: February 8, 2018
Correlation between lymphangiogenesis and clinicopathological parameters in renal cell carcinoma
Ilyas Ozardili1, Mehmet Emin Guldur, Halil Ciftci
1Department of Pathology, Harran University Medical School, Sanliurfa 63300, Turkey.
Introduction:
Lymphangiogenesis has been reported to be important in the prognosis of several tumours. The aim of this study was to assess the correlation between lymphangiogenesis and clinicopathological prognostic parameters in patients with clear cell renal cell carcinoma.
Methods:
62 patients with renal cell carcinoma were included in the study. The D2-40 antibody, assessed immunohistochemically for each patient, was used as a marker. Light microscopy was used to determine the presence of intratumoral lymphatic vessels (ILVs) and the number of peritumoral lymph vessels (PLVs)/mm2 or PLV density (PLVD). Correlation between the numbers and the Fuhrman nuclear grade, tumour stage, distant metastasis status, presence of lymph node metastasis and lymphovascular invasion was assessed.
Results:
A significant correlation was found between the presence of ILVs and distant metastasis (p = 0.033) and lymph node metastasis (p = 0.024). However, no significant correlation was found between the Fuhrman nuclear grade (p = 0.553), tumour stage (p = 0.464) and lymphovascular invasion (p = 0.242). Mean PLVD was 20.8, and no significant difference was found between the patients with PLVD below average and those with PLVD above average in terms of distant metastasis (p = 0.337), lymph node metastasis (p = 0.792), the Fuhrman nuclear grade (p = 0.566), tumour stage (p = 0.795) and lymphovascular invasion (p = 0.942).
Conclusion:
We found a significant correlation between ILVs and lymph node and distant metastases in patients with renal cell carcinoma.