CT – Brain

(CT–B)

<Imaging>

<Index>

 

Definition

-  CT of cereberal hemispheres, cerebellum, brain stem & skull

-  Will also cover orbits & sinuses

 

Features

-  For head injury superior to MRI

-  Faster & cheaper

-  Demonstrates fresh bleed & bony injury better

-  Usually takes 10-45min

-  W or wo contrast

-  Usually wo contrast unless for vascular path, tumours or infection

-  Contrast does not cross normal BBB

 

Indications

-  Comatose patient

-  Fall in elderly

-  Head injury

-  Subdural Haematoma

-  Epidural Haematoma

-  Stroke

-  Aneurysm

-  Intracranial bleed

-  SAH

-  Space occupying lesion/tumour

-  Hydrocephalus

-  Intracranial infection

 

Procedure

-  +/- IV cannula for contrast

-  Patient supine

-  +/- head cradle for stability

 

Contraindications

-  If IV contrast as per contrast pracutions: ARF, CRF, Pregnancy, contrast reaction