Table 1. Acquisition Protocols and Lymph Node Status of the MRI database of 66 cancer patients.
| 1.5 T Achieva Philips | 3 T Achieva Tx. Philips | ||
|---|---|---|---|
| Lymph Nodes | Number of Positive Lymph Nodes | 32 | 6 |
|
| |||
| Number of Negative Lymph Nodes | 123 | 31 | |
|
| |||
| Dynamic Studies | Study type | 3D gradient echo sequences One pre- and six post-contrast enhancement (axial) | 3D gradient echo sequences One pre- and five post-contrast enhancement (axial) |
|
| |||
| TR/TE | 5.5/2.7 | 5.5/2.7 | |
|
|
|||
| Flip angle | 10° | 10° | |
|
|
|||
| Slice thickness | 2 mm | 2 mm | |
|
|
|||
| Matrix size | 480×480 | 448×448 | |
|
|
|||
| FOV | 360 mm | 340 mm | |
|
|
|||
| Acquisition time | 75 second | 65 second | |