1Post Graduate, Department of Pathology, Sree Balaji Medical College and Hospital, Bharath Institute of Higher Education and Research, Chennai
2Professor and Head, Department of Pathology, Sree Balaji Medical College and Hospital, Bharath Institute of Higher Education and Research, Chennai
*Corresponding Author: Dr. Hemalatha Ganapathy, Professor and Head, Department of Pathology, Sree Balaji Medical College and Hospital, Bharath Institute of Higher Education and Research, Chennai-73. E Mail- hemalathagnpthy@yahoo.com, M No- 9444108134
Online published on 27 March, 2020.
The nasal cavity, paranasal sinuses, pharynx and larynx though in continuity form a complex system of upper respiratory tract, this region is endowed with a variety of elements such as epithelial, glandular, lymphoid, cartilage, and bone and is also exposed to a variety of infections, tumour like and true neoplastic conditions. Squamous cell carcinoma (SCC) of the upper respiratory tract ranks as the sixth leading cause of cancer worldwide (1). This represents about 4% of all cancers. In this study ki-67 expression in various histological grades of SCC of upper respiratory tract was done which showed ki 67 index was increasing with decreasing differentiation of the tuour.
SCC, Ki-67, Upper respiratory tract
