Irradiation geometry

Some common irradiation geometries and their designations are listed in the Table below.

designation abbreviation irradiation direction
anterior-posterior AP from front to back
posterior-anterior PA from back to front
left lateral LLAT from left to right
right lateral RLAT from right to left
rotation symmetry ROT uniform from horizontal directions
isotropic ISO uniform from all directions

Related quantities

  • absorbed dose
  • ambient dose equivalent
  • collective effective dose
  • committed effective dose
  • committed equivalent dose
  • directional dose equivalent
  • effective dose
  • equivalent dose
  • exposure
  • kerma
  • personal dose equivalent
  • radiation weighting factor
  • tissue weighting factor

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