Table 8.

Head and Neck DSCs between the diagnostic (D) and treatment planning (RT) CT scans for a sample set of commonly segmented normal structures

Case	26		27		28		Ave	1SD
ROI	DSC RT→D	DSC D→RT	DSC RT→D	DSC D→RT	DSC RT→D	DSC D→RT
BrainStem	0.79	0.73	0.75	0.64	0.78	0.82	0.75	0.06
Cerebellum	0.88	0.63	0.90	0.82	0.65	0.89	0.80	0.12
IPC	0.67	0.62	0.64	0.67	0.77	0.76	0.69	0.06
Larynx	0.81	0.78	0.68	0.78	0.82	0.84	0.79	0.06
Mandible	0.82	0.81	0.90	0.88	0.91	0.95	0.88	0.05
MPC	0.03	0.08	0.49	0.46	0.62	0.64	0.39	0.27
OralCavity	0.76	0.76	0.83	0.85	0.86	0.90	0.83	0.06
Parotid_L	0.76	0.73	0.79	0.83	0.83	0.84	0.80	0.04
Parotid_R	0.78	0.75	0.84	0.86	0.83	0.84	0.82	0.04
SPC	0.44	0.44	0.59	0.60	0.78	0.51	0.56	0.13
SpinalCord	0.80	0.80	0.78	0.78	0.65	0.82	0.77	0.06