Table 2.

Imaging Modalities for Pathoanatomic and Pathophysiologic Sequelae

Modality	Hematoma	Contusion	SAH	DAI	Ischemia	Vasospasm
CT	+++	++	+++	+/0	+/0	0
CTA	0	0	+	0	+	+++
CTP	+	+	0	0	++	++
T2 FLAIR	+	+++	+++	+	+	0
1.5T T2* GRE	+	+	+++	+	0	0
3T T2* GRE	+	+	+++	++	0	0
SWI	+++	++	++	+++	0	0
DTI	+	+	0	+++	+++	0
PWI	+	+	0	+	++	++
MRSI	0	0	0	++	+	0
MRA	0	0	+	0	++	+++
fMRI	0	0	0	?	0	0
PET	0	+	0	?	+++	0

Scoring: little/no data, ?; insensitive, 0; minimally sensitive, +/0; mildly sensitive, +; moderately sensitive + +; highly sensitive, + + +.

CT, computed tomography; CTA, computed tomography angiography; CTP, computed tomography perfusion; DAI, diffuse axonal injury; DTI, diffusion tensor imaging; fMRI, blood oxygenation level dependent (BOLD) functional magnetic resonance imaging; MRA, 3D time-of-flight MR angiography; MRSI, MR spectroscopic imaging; PET, positron emission tomography; PWI, dynamic susceptibility contrast perfusion-weighted imaging; SAH, subarachnoid hemorrhage; SWI, susceptibility-weighted imaging; T2 FLAIR, T2-weighted fluid attenuated inversion recovery; T2*GRE, T2*-weighted gradient echo.