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National Journal of Maxillofacial Surgery
 
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ORIGINAL ARTICLE
Year : 2018  |  Volume : 9  |  Issue : 2  |  Page : 184-190

Evaluation of mast cells in oral premalignant and malignant lesions: A histochemical study


1 Department of Oral and Maxillofacial Pathology and Microbiology, Uttaranchal Dental and Medical Research Institute, Dehradun, Uttarakhand, India
2 Department of Oral and Maxillofacial Pathology and Microbiology, IDST, Modinagar, India
3 Private Practice, Modinagar, India
4 Department of Oral and Maxillofacial Pathology and Microbiology, Universal College of Dental Surgery, Nepal
5 Department of Oral Medicine and Radiology, Pacific Dental College, Udaipur, Rajasthan, India

Correspondence Address:
Dr. Shreya Singh
Department of Oral and Maxillofacial Pathology and Microbiology, Uttaranchal Dental and Medical Research Institute, Dehradun, Uttarakhand
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njms.NJMS_49_17

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Introduction: Oral leukoplakia, oral submucous fibrosis, and oral lichen planus are the precancerous or potentially malignant lesions and conditions whereas oral squamous cell carcinoma (OSCC) is a cancerous or malignant lesion of the oral cavity. They have characteristic clinical and histopathological features. These diseases not only originate from epithelium but also associated with chronic inflammation juxta-epithellialy. Mast cells present in the connective tissue stroma and release pro-inflammatory and mitogenic cytokines. These functions of mast cells contribute and enhance the pathogenesis translation of diseases. Aim: The study was done to histologically evaluate the number of mast cells in oral epithelial dysplasia and OSCC and compare it with normal oral mucosa (NOM). Materials and Methods: Forty-five cases each of oral dysplasia, OSCC and ten cases of NOM were studied for mast cell number using toluidine blue. Results: There was a highly significant increase of mast cells in oral epithelial dysplasia on comparison with OSCC whereas there was only a significant increase in mast cells in OSCC on comparison with NOM. Conclusion: The literature has proven that mast cells can be an indicator of increased angiogenesis and hence can help in the prediction of carcinogenesis, its progression, and also the prognosis of the malignant lesions.


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