Assessment and clinicopathological correlation of matrix metalloproteinase 9 expression in nasopharyngeal carcinoma.

Introduction: Nasopharyngeal cancer is not a common disease in most parts of the world. In India also, nasopharyngeal carcinoma (NPC) is not a common cancer, except for the Northeastern region of the country. Expression of matrix metalloproteinase 9 (MMP9) in the tumor cells is related to tumor invasion and metastasis.

Squamous cell carcinoma of upper alveolus: An experience of a tertiary care center of Northeast India.

Objective: The main objective of this study was to analyze the clinical behavior and the impact of nodal metastasis on the prognosis of upper alveolus squamous cell carcinoma (SCC).

Materials And Methods: The medical records of 110 patients with SCC of the upper alveolus (International Classification of Diseases-10-C03.0) diagnosed during 2010-2015 were reviewed.