Figure 5From: Dual tracer evaluation of dynamic changes in intratumoral hypoxic and proliferative states after radiotherapy of human head and neck cancer xenografts using radiolabeled FMISO and FLT Microscopy images and quantitative analysis of hypoxia. (A) Microscopy images and (B) quantitative analysis of hypoxia. (A) Representative images of pimonidazole staining (brown staining in pimonidazole-positive cells). (B) Mean hypoxic fraction ± SD.Back to article page