Figure 4From: In vivo99mTc-HYNIC-annexin V imaging of early tumor apoptosis in mice after single dose irradiationTUNEL assay for EL4 transplant lymphoma after irradiation. In pathological sections (× 100) of EL4 transplant lymphoma after single-dose irradiation, the black arrow indicates the TUNEL positive apoptotic cells. It shows that the number of apoptotic cells increase as the radiation dose is escalated from 0 to 8 Gy.Back to article page