特异性结合(specific combination) McAb GSA
通道、灌注和生物区分布(path, perfusion, biological distribution)
99TcmO99Tcm-PYP-RBC
显像的方式和种类
静态显像 (static imaging)
动态显像 (dynamic imaging)
静息显像(rest imaging) 负荷显像(loaded imaging)
融合显像 (fusion imaging )
Anatomy
Metabolism
非显像检查法
记录时间-放射性曲线
(time-activity curve) 摄131I试验
( test of 131I uptake) 肾图
用于脏器或病变显像的放射性核素或 放射性标记物
原理
细胞选择性摄取(selective uptake of cell) 特殊需要物质 131I 代谢产物和异物 131I-OIH 特殊价态物质 201Tl
化学吸附(chemical absorption) 99Tcm-MDP
微血管栓塞(micro-vascular embolism) 99Tcm-MAA
Isomer
An isomer is one of two or more nuclides that have the same mass number and atomic number as the others but different energy state.
核衰变规律 N=N0e-λt A=A0e-λt
λ (decay constant)
Decay
Some nuclides are unstable and gain stability by emitting particles or photons or both. These unstable nuclides are called