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Epithelial benign salivary gland tumours are relatively uncommon and constitute a wide spectrum of variable morphologic & biologic entities. Among these cytological and morphological properties of salivary gland tumours, one of the most important criteria for measuring its biological behaviour approach is cell proliferation. The cell proliferation / death balance is most important in the development of salivary gland tumours. Aim of the study is to examine the expression of Bax mRNA gene using in situ hybridization technique & PCNA protein immunohistochemically. Twelve formalin fixed paraffin...

The objective of the present study was designed to establish more specific criteria for the degree of differentiation and nuclear DNA histochemical quantitation of OSCC. Morphometric measurements by image analysis computer system and DNA histochemical quantitative analysis were assessed in association with clinicopathological features of OSCC. Two histological grading systems were used; Broders' grading system & Invasive front grading system using four histomorphological features that includes; degree of keratinization, nuclear pleomorphism, pattern of invasion and host response (inflammatory...