体层摄影

• Zhou of the uniersity of pennsylania , philadelphia , and colleagues reiewed noninasie imaging modalities to track implanted cells , including magnetic resonance imaging ( mri ) , positron emission tomography ( pet ) , single - photon emission computed tomography ( spect ) , and optical imaging using luminescence and fluorescence
  这包括磁共振影像学（ mri ） ，正电子发射断层扫描术（ pet ） ，单光子发射计算体层摄影术（ spect ）和使用发光和荧光的光学成像术。