Table 3 Benefits and limitations of each imaging modality
From: State of the art: noninvasive imaging and management of neurovascular trauma
Modality | Direct visualization of injury | Evaluation of surrounding tissues | Evaluation of entire vascular tree | Â |
|---|---|---|---|---|
Duplex US | + | - | -- | Â |
Transcranial Doppler | --- | --- | -- | Â |
CTA | ++ | +++ | ++ | Â |
MRA | ++ | ++ | ++ | Â |
Catheter angiography | +++ | -- | +++ | Â |
Modality | Independent of operator | Readily available | Resolution of vessels | Low cost |
Duplex US | --- | ++ | ++ | +++ |
Transcranial Doppler | --- | - | -- | ++ |
CTA | ++ | ++ | ++ | - |
MRA | + | - | + | - |
Catheter angiography | - | -- | +++ | -- |