From: Breath-hold CT attenuation correction for quantitative cardiac SPECT
Attenuation map | Direction | ||
---|---|---|---|
Right/left (mm) | Up/down (mm) | Cephalad/caudal (mm) | |
TCT | 0.0 ± 0.0 | 0.0 ± 0.0 | 2.4 ± 2.1 |
CT at MID | 2.8 ± 7.1 | −2.6 ± 3.9 | 11.7 ± 8.0 |
CT at INS | 4.5 ± 6.0 | −4.7 ± 5.4 | 6.2 ± 7.3 |
CT at EXP | −1.5 ± 3.5 | 0.0 ± 5.1 | 19.9 ± 5.8 |