Figure 3From: Monitoring response to gefitinib in nude mouse tumor xenografts by 18 F-FDG microPET-CT: correlation between 18 F-FDG uptake and pathological response MicroPET-CT imaging of A431 tumors before and after gefitinib treatment. (A) Gefitinib-sensitive tumors on day 2, 7, and 14. (B) Gefitinib-stable tumors on day 2, 7, and 14. (C) Tumors in the control group on day 2, 7, and 14. White arrow indicates tumor.Back to article page