Diffusion and perfusion weighted magnetic resonance imaging for tumor volume definition in radiotherapy of brain tumors

Table 1 The utilization of DWI/DTI-derived metrics in brain tumor treatment course

Utilities	DWI	DTI
Utilities	ADC	MD	FA	ADC	Eigenvalues	Tractography	Isotropic (p) and anisotropic (q) components
Tumor cellularity	[75]	[38]	[38]
Prognosis							[34]
Invasion			[31, 32, 39]	[32]			[33]
RT treatment planning			[29, 30]				[30, 33]
Surgery guidance		[38]	[36–38]	[36]		[26, 35]
Response to treatment	[43]
Treatment effect				[44]
Distinguishing tumor recurrence from treatment effect			[41, 42]	[41]	[41]
Re-irradiation treatment planning						[50]	[48]

DWI diffusion weighted imaging, DTI diffusion tensor imaging, ADC apparent diffusion coefficient, MD mean diffusivity, FA fractional anisotropy, RT radiotherapy

ISSN: 1748-717X