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Unformatted text preview: vessels.
Radioopaque dye is injected and vessels are visualized
Gold standard for studying cerebral vessels. Angiography
Angiography AP Right ICA Lateral Right ICA Angiography
Angiography AP Right Vertebral Planes of Section
Planes of Section Axial (transverse)
Oblique What is an AXIAL section?
What is an AXIAL section? CT without contrast Lateral ventricles CT with contrast CT bone window Brain CT…
Brain CT… Note that we take axial slices beginning from the skull base., parallel to a standard line (orbitomeatal or canthomeatal line). The thickness of the slice (the distance between a slice –
picture and the following slice –picture) is 10mm or as determined.
The skull base is a bony area with much small details, so we take the slices with less thickness (5mm) to show al the details. You have to recognize the following: 1 Cerebral hemispheres 2 Brainstem 3 Ventricular system 4 Basal ganglia and thalamus 5 Basal cisterns (subarachnoid space)...
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- Fall '08