Molecular Imaging 2017

PET hardware attenuation correction: First patients

HW + human µ- map

Comparison of FDG PET activity in n=10 HNC patients: • Reference scan • Scan with CH • Without AC • With AC

Pat 1: full AC

Deviation to reference scan (without CH):

Full AC of CH + coils

No AC of CH + coils

Tumor

0.6 % (-2.5 – 4.5)

-11.4 % (-14.0 – -6.2)

SUV mean

Brain

0.7 % (-0.8 – 2.3)

-14.0 % (-15.2 – -12.0)

Tumor

0.4 % (-3.6 – 5.8)

-11.8 % (-15.8 – -5.1)

SUV max

Brain

-1.4 % (-4.3 – 3.1)

-15.8 % (-19.0 – -10.3)

R. Winter, Tübingen