Table 4 Summary of respiration-induced liver motions in the references and the present study
Reference | Year | Method | Number of patient | Magnitude of motion SI direction (mm) | Abdominal compression | Individual segment evaluation |
|---|---|---|---|---|---|---|
[5] | 1999 | MRI | 1 | 21 | No | No |
[21] | 2003 | MRI | 12 | 24.4 | No | No |
[22] | 2003 | RTRT w/ fiducial | 20 | 8 (left) 9 (right) | No | No |
[23] | 2009 | RTRT w/ fiducial | 6 | 15.98 | No | No |
[24] | 2010 | CBCT | 29 | 8 | 15/29 | No |
[25] | 2007 | 4DCT | 9 | 15 (supine) 12.5(prone) | No | No |
[26] | 2012 | 4DCT CBCT w/ fiducial | 20 | 17.9 (4DCT) 16.5 (CBCT) | No | No |
[27] | 2017 | 4DCBCT w/ fiducial | 10 | 5.3 (planning simulation 4DCBCT) 4.5 (pre-SBRT 4DCBCT) | 10/10 | No |
[15] | 2011 | 4DCT w/ DIR | 21 | 10 | 6/21 | No |
[17] | 2012 | 4DCT w/ DIR | 18 | 9.7 | No | No |
[16] | 2013 | 4DCT w/ DIR | 15 | 7.9 | No | No |
Present study | Â | 4DCT w/ DIR | 20 | 8.6 (Segment 7) | No | Yes |