Using the Diaphragm as a Tracking Surrogate in CyberKnife Synchrony Treatment

Guo-quan Li; Jing Yang; Yan Wang; Mengjun Qiu; Zeyu Ding; Sheng Zhang; Sheng-li Yang; Zhenjun Peng

doi:10.12659/MSM.930139

11 August 2021 : Clinical Research

Using the Diaphragm as a Tracking Surrogate in CyberKnife Synchrony Treatment

Guo-quan Li^1A, Jing Yang^1A, Yan Wang^2C, Mengjun Qiu^3B, Zeyu Ding^1D, Sheng Zhang^1E, Sheng-li Yang^1G, Zhenjun Peng^4F*

DOI: 10.12659/MSM.930139

Med Sci Monit 2021; 27:e930139

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Table 2 Comparison of Synchrony model quality parameters between Xsight lung tracking/fiducial tracking (XLT/FT) and diaphragm tracking (DT) (N=24).

Parameter	XLT/FT	DT	t	P
dxAB, mm	0.664±0.535	0.497±0.302	−0.166	0.873
Uncertainty, %	22.813±5.721	9.384±3.799	−5.236	0.0008
AvgStdErr, mm	1.511±1.007	1.767±1.211	0.527	0.613
MAXStdErr, mm	1.667±1.038	1.900±1.225	0.485	0.641
AvgStdErr – average standard error; dxAB – relative distance along the alignment center of the superior-inferior axis in the 2 projections; MAXStdErr – maximum standard error.

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Using the Diaphragm as a Tracking Surrogate in CyberKnife Synchrony Treatment

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