Late hyperacute ischemic stroke

Case contributed by Yahya Baba
Diagnosis certain

Presentation

Wake-up stroke with aphasia, confusion, and right-sided hemiparesis.

Patient Data

Age: 50 years
Gender: Female
  • mild subcortical white matter hypodensity in the territory of the left middle cerebral artery.

  • mild loss of grey-white differentiation

  • occlusion of the M2 segment of the left middle cerebral artery

  • restricted diffusion in the superficial territory of the left middle cerebral artery with mild FLAIR hyperintensities involving the same territory

  • occlusion of the middle cerebral artery at the level of the M1/M2 junction (loss of normal flow void and high signal on FLAIR, hypointense thrombus on gradient echo)

24 hours later

ct
  • increased hypodensity in the superficial territory of the left middle cerebral artery

  • no hemorrhagic transformation

  • mild mass effect with minimal midline shift

Case Discussion

A case of wake-up stroke that turns out to be a late hyperacute ischemic stroke. There was no indication of mechanical thrombectomy or thrombolysis for this patient.

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