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Kakasheva-Mazhenkovska L, Kostovski M, Gjokik G, et al. Assessment of Density of Neovascularization in Lower Lip Squamous Cell Carcinoma in Relation To Neoplasm Differentiation Grade in Patients with and without Neck Lymph Nodes Metastasis. Open Access Maced J Med Sci. 2019;7(1):19-23doi: 10.3889/oamjms.2019.007.
Kakasheva-Mazhenkovska, L., Kostovski, M., Gjokik, G., & Janevska, V. (2019). Assessment of Density of Neovascularization in Lower Lip Squamous Cell Carcinoma in Relation To Neoplasm Differentiation Grade in Patients with and without Neck Lymph Nodes Metastasis. Open access Macedonian journal of medical sciences, 7(1), 19-23. https://doi.org/10.3889/oamjms.2019.007
Kakasheva-Mazhenkovska, Lena, et al. "Assessment of Density of Neovascularization in Lower Lip Squamous Cell Carcinoma in Relation To Neoplasm Differentiation Grade in Patients with and without Neck Lymph Nodes Metastasis." Open access Macedonian journal of medical sciences vol. 7,1 (2019): 19-23. doi: https://doi.org/10.3889/oamjms.2019.007
Kakasheva-Mazhenkovska L, Kostovski M, Gjokik G, Janevska V. Assessment of Density of Neovascularization in Lower Lip Squamous Cell Carcinoma in Relation To Neoplasm Differentiation Grade in Patients with and without Neck Lymph Nodes Metastasis. Open Access Maced J Med Sci. 2019 Jan 03;7(1):19-23. doi: 10.3889/oamjms.2019.007. eCollection 2019 Jan 15. PMID: 30740153; PMCID: PMC6352486.
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Open Access Maced J Med Sci. 2019 Jan 03;7(1):19-23. doi: 10.3889/oamjms.2019.007. eCollection 2019 Jan 15.

Assessment of Density of Neovascularization in Lower Lip Squamous Cell Carcinoma in Relation To Neoplasm Differentiation Grade in Patients with and without Neck Lymph Nodes Metastasis.

Open access Macedonian journal of medical sciences

Lena Kakasheva-Mazhenkovska, Marko Kostovski, Gjorgje Gjokik, Vesna Janevska

Affiliations

  1. Institute of Histology and Embryology, Faculty of Medicine, Ss Cyril and Methodius University of Skopje, Skopje, Republic of Macedonia.
  2. University Clinic for Plastic and Reconstructive Surgery, Medical Faculty, Ss Cyril and Methodius University of Skopje, Skopje, Republic of Macedonia.
  3. Institute of Pathology, Medical Faculty, Ss Cyril and Methodius University of Skopje, Skopje, Republic of Macedonia.

PMID: 30740153 PMCID: PMC6352486 DOI: 10.3889/oamjms.2019.007

Abstract

BACKGROUND: Squamous cell carcinoma (SCC) of the lower lip is a relatively rare carcinoma, with the incidence of 1 to 2%, but it is the most common carcinoma in the oral cavity accounting for 25-30% of all malignant oral tumours.

AIM: This study aimed to determine the role of neovascularisation in the process of tumour progression.

METHODS: We analysed the surgical specimens obtained from 60 patients with squamous cell carcinoma (SCC) of the lower lip. The examined group consisted of 45 specimens of patients without metastasis and 15 specimens of patients with metastasis in the regional lymph nodes. Histopathological slides were immunohistochemically stained with an antibody against CD34 and by hematoxylin & eosin staining for routine histopathological examination.

RESULTS: The results obtained showed a statistically significant difference in the density of neovascularisation between groups of the SCC with different grade of differentiation (Kruskal-Wallis test: H (2, N = 60) = 30.0943, p = 0.00001). Statistical analysis also showed a significant difference in the density of vascularisation of lower lip SCC between patients without metastasis and patients with neck metastasis (Mann-Whitney U test, p = 0.000198). Applying Pearson's chi-square test, we found a highly significant statistical difference in grade of SCC differentiation in patients with and without neck metastasis (p = 0.0000).

CONCLUSION: In conclusion, the density of neoangiogenesis is increased in tumours with poorer differentiation and in patients with neck metastasis. So, the density of neovascularisation of the primary lip SCC may predict the tumour progression.

Keywords: Grade of differentiation; Lower lip; Neck metastasis; Neoangiogenesis; Squamous cell carcinoma

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