Abstract
Cancer is a global health problem. It is the third most common cause of death.1 Among the malignant lesions of the oral cavity squamous cell carcinoma represents the most common cancer. It comprises about 90% of oral cancers.2 To elucidate the expression of immunohistochemical localization of β-catenin, To evaluate proliferative index (ki 67) in oral squamous cell cancers. To stusdy the correlation between β-catenin expression, ki 67 expression and tumor differentiation. Comparative case control study. The study was done in Department of Pathology and E.N.T in a tertiary care hospital. 1 year. patients with signs and symptoms of oral squamous cell carcinoma and investigated in a tertiary care hospital setting. A total of 104 (84 Cases and 20 Controls) were included in the study. Biopsy specimens received to pathology department where gross examination of the specimens was done. Aberrant expression of β-catenin in different histological grades is statistically significant. The p-value is .001361. Aberrant expression of β-catenin increased with increase in histological grade. It can be concluded that β-catenin is a significant factor in predicting the histological grade in patients with SCC.
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