Correlation between Ki-67 labeling index and mitotic index in Head and neck squamous cell carcinoma

Proliferative activity of any tissue or neoplasm can be determined by its growth rate by mitotic count or by using antibodies directed against specific antigens like Ki-67. The usefulness of Ki-67 in head and neck cancers has been debated for the past 20 years; however, no study has definitively resolved this controversy.