Question 205 · LEK · Ischemic stroke
In CT scan of the head, the early radiological symptoms of ischaemic stroke do not include:
- A. smoothing of cerebral sulci.
- B. loss of the insular ribbon sign.
- C. reduced contrast of the basal ganglia.
- D. hyperdense middle cerebral artery sign.
- E. hypodense middle cerebral artery sign.
Hint
Early ischaemic signs reflect cytotoxic oedema of grey matter and a thrombus in the artery; what density does a fresh clot have?
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