In-room imaging and MR planning

X-ray Detection

+ + + + + +

+ +

Gd S 7.44 g/cm 3 2 O 2

CdTe 6.20 g/cm 3

- - - -

- - ---

• Indirect conversion • Pulse overlap (only pile-up) • Energy integrating (EI)

• Direct conversion • Photon counting (PC) • Energy-selective

[Marc Kachelrieß, CT Spectroscopy incl. Dual Energy CT (DECT)]