Detailed DescriptionPRIMARY OBJECTIVES:
I. Describe the patterns and levels of 18F-EF5 in Stage 1 - 4 de novo HNSCC of the oral cavity, oropharynx and larynx.
II. Determine whether the 18F-EF5 PET images are predictive of patient outcome (event-free survival; EFS and overall survival; OS).
III. Determine whether any statistically significant prognostic relationships found in the corresponding grant are independent of nodal status.
SECONDARY OBJECTIVES:
I. Explore the relationship between 18F-EF5 signal and other measures of hypoxia (serum OPN; HIF1alpha protein expression), proliferation (Ki67+ cells/high power field (HPF)), apoptosis and radiation resistance (pAkt expression).
OUTLINE:
Patients undergo fluorine F 18-EF5 positron emission tomography imaging. Scans are performed 180 minutes following injection.
After completion of study, patients are followed at 2-4 weeks and 4-6 weeks.