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Trauma Radiography 1
X-ray, CT head trauma
Question | Answer |
---|---|
what does SOL stand for? | space occupying lesion |
what does SAH stand for? | subarachnoid haemorrhage |
what does CVA stand for? | cerebrovascular accident |
what does EDH stand for? | extradural haemorrhage/haematoma |
what does TIA stand for? | transient ischemic attack |
Why is CT the primary investigation for head injury, not MRI? | better demonstration of fresh bleeding and bony injury |
what technique is most useful in initial imaging technique? | non-contrast enhanced CT scanning |
what pathologies can CT detect? | acute haemorrhage, cerebral swelling, evidence of elevated intercranial pressure |
Why is there no need for plain skull radiography when using CT?` | the bone window detects skull fractures |
Name the 4 inner layer below the cranium | Arachnoid Dura mater Subarachnoid space Pia mater |
What are considered traumatic brain emergencies? | hyrocephalus, fluid collections, cerebral oedema, cortical contusions, intracranial calcification, intracerebral haematoma |
significant post-traumatic findings on cranial CT | abnormal brain attenuation, mass effect, fluid collections, skull fx |
what is the usual cause of extradural haematoma? | temporal bone fracture (but not always) |
where does the extradural haematoma take place? | between skull and dura |
what are the characteristics of of extradural haematoma? | biconvex shape, high density (appear white) of haematoma, slight midline shift |