. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: IEEE Trans Radiat Plasma Med Sci. 2020 Aug 10;5(3):373–382. doi: 10.1109/trpms.2020.3015109

TABLE II.

CT Values and Corresponding Parameters for Different Tissues

Tissue	CT values (HU)	υ (m/s)	ρ (kg/m³)	Γ	ρΓ (kg/m³)
Air	(−∞, −200	343	1.2	0.376	0.45
Fat	(−200, −50)	1480	920	0.877	806.84
Muscle,	(−50, 100)	1540	1040	0.208	216.32
Bone	(100, +∞)	3200	2000	0.788	1576

υ represents the speed of sound; Γ represents the Grüneisen parameter;

ρ represents the tissue density; ρΓ represents the dose coefficient.