Table 1 Multi-slice CT: slice profile aspects
Slice profile broadening (FWHM): | |||||
|---|---|---|---|---|---|
Collimation | Pitch | Standard helical | Multi-slice helical | ||
5 mm | 1.0 | N.S. | N/A | ||
5 mm | 1.5 | 15% | 5.8 mm | N/A | |
5 mm | 2.0 | 30% | 6.5 mm | N/A | |
5 mm | 3.0 | 4% | 5.2 mm | ||
5 mm | 6.0 | 28% | 6.4 mm | ||
M-S pitch = 3 equivalent S-S pitch = 0.75 | |||||
M-S pitch = 6 equivalent S-S pitch =1.50 | |||||