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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
ORIGINAL ARTICLE Table of Contents   
Year : 2013  |  Volume : 17  |  Issue : 3  |  Page : 367-373
VEGF and CD 34: A correlation between tumor angiogenesis and microvessel density-an immunohistochemical study


1 Department of Oral and Maxillofacial Pathology, Bharati Vidyapeeth Dental college and Hospital, Pune, Maharashtra, India
2 Department of Oral and Maxillofacial Pathology, Sri Aurobindo college of Dentistry and Postgraduate Institute, Indore, Madhya Pradesh, India

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-029X.125200

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Background: Angiogenesis is the formation of new vessels from preexisting ones which takes place by capillary sprouting. It is seen in healing, at sites of injury and collateral circulation in ischemia. It is also seen in tumors, as once the original blood supply of a tumor is exhausted it cannot grow without further blood supply. Also as the angiogenic capacity of a tumor increases, its microvasculature, that is, microvessel density (MVD) also increases. Based on this literary evidence we carried out an immunohistochemical (IHC) study to observe the relationship between the expression of vascular endothelial growth factor (VEGF) [angiogenesis] and CD 34 [MVD] in oral squamous cell carcinoma (OSCC). Aim: To evaluate the correlation between expression of VEGF and CD 34, the role of MVD in progression of OSCC and to compare the degree of angiogenesis in different grades of OSCC. Settings and Design: In this study we observed the relation between angiogenesis and MVD and the overall effect of this on oral cancer. Materials and Methods: Thirty-three cases of OSCC were stained with hematoxylin and eosin, (H and E) to confirm the diagnosis and immunohistochemically using VEGF and CD 34 antibody. The slides were evaluated for positivity and intensity of staining. Statistical Analysis: The result was subjected to statistical analysis using analysis of variance (ANOVA) test and Fisher's exact test. Results: VEGF positivity as well as MVD was found to be independent of the grade of the tumor. Tumor MVD was found to be independent of expression of VEGF.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007