Karim SN, Saleh FM, Uddin MB, Biswas P, Hossain AI, Eunus MF, Afreen KF. Assessment of Number and Distribution of Mast Cell in Oral Squamous Cell Carcinoma in Biopsy Specimen and Its Correlation with Histological Grading.
Mymensingh Med J 2019;
28:553-561. [PMID:
31391426]
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Abstract
Oral cancer is a commonly occurring one worldwide. More than 90% of all oral cancers are squamous cell carcinoma (SCC). The molecular biological markers of oral SCC have been extensively studied to aid in prevention and prognosis. However, no marker has been universally accepted so far. Mast cells are important component of cancer stromal interaction. Their early recruitment in tumor microenvironment and multifarious function make them a burning topic of interest in the field of research. So mast cell may act as a new target for the adjuvant treatment of oral SCC. Therefore, the aim of the study was to compare the number and distribution of mast cell between different grades of oral SCC. In this cross sectional study the sample size was 100. After routine tissue processing and staining with Hematoxylin & Eosin (H/E) stains, slides of all cases were grouped as- well, moderate and poorly differentiated invasive squamous cell carcinoma according to Anneroth's grading system. Identification of mast cell was done by Toluidine blue stain. Distribution of mast cells was observed and number of mast cells was counted. The data was tabulated and statistical analysis was performed. Out of 100 cases, 66% patients belonged to Grade I, 28% Grade II and 6% Grade III. The mean±SD number of mast cells was 3.28±1.21, 1.59±0.58 and 0.44±0.17 in Grade I, Grade II and Grade III SCC, respectively. The p value was found to be highly significant (p<0.001). An inverse significant Pearson's correlation was found between number of mast cells and grades of oral SCC. The number of mast cell was slightly increased in oral SCC cases than normal. The number of mast cells also had an inverse association with histologic grade. So, in this observation mast cell is a good cellular indicator of tumor grade.
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