Imaging of Intracranial Vessels
NECT CTA CTV 4D-CTA VPCT Stroke x x (x) x Hemorrhagic stroke x x (x) (x) (x) AVM x x Fistula x x Aneurysms x Venous thrombosis x x …
NECT CTA CTV 4D-CTA VPCT Stroke x x (x) x Hemorrhagic stroke x x (x) (x) (x) AVM x x Fistula x x Aneurysms x Venous thrombosis x x …
(1) where h is the Planck constant (value: 4,135 × 10−15 eVs). These properties allow X-rays to interact with the different tissues of the human body: once they have been generated from…
Fig. 1 (a) 1: Common trunk; 2: left anterior descending artery; 3: intermediate branch. (b) Arrow: Circumflex artery (a) Left anterior descending artery ( LAD ): It courses anteriorly along…
Fig. 1 Low-dose axial CT image performed during test bolus of contrast injection with ROI placed over the region of the carotid bifurcations and revealing peak contrast enhancement 17 s…
Fig. 1 Impact of field strength on imaging. (a) Axial maximum intensity projection (MIP) slab from 3D TOF MRA study at 1.5 T. (b) Axial MIP slab from 3D TOF…
Fig. 1 CMR provides an excellent modality for delineating cardiac anatomy and function. (a) represents a four-chamber view of a normal heart in diastole and (b) in systole. (c, d)…
Fig. 1 Spin echo pulse sequence. RF radiofrequency, SS slice selection, PE phase encoding, FE frequency encoding, TE echo time, TR repetition time The effect of the RF pulse is…
Type of criteria Criterion Imaging Major Active inflammation CE-MRI, USPIO-MRI, FDG-PET Thin FC with large LRNC MRI, CE-MRI, CT FC disruption MRI, CE-MRI, SPECT Severe stenosis MRA, CTA, B-mode ultrasonography…
Plaque characteristic MRI CT US PET SPECT DSA Active inflammation ✓ x x ✓ x x Thin FC with large LRNC ✓ ✓ x x x x FC disruption ✓…
10-s acquisition 20-s acquisition Low dose High dose High dose Rotation times (s) 10 10 20 Rotation angle (°) 219 219 219 Increment 0.8 0.8 0.4 No. of frames…