In-room imaging and MR planning

Electron Density and Effective Atomic Number Images Direct Method

→ unknown

-

, density of the element

- , Avogadro number: number of atoms needed to have A grams of an element of atomic mass A → known

→ unknown

-

, atomic mass of the element

- , average atomic number of the voxel (i.e. number of electrons of the element) → unknown