Stroke and Brain Imaging Findings
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Questions and Answers

What imaging finding is associated with the 'MCA dot sign'?

  • Transverse sinus thrombosis
  • Hyperdensity of the occluded vessel (correct)
  • Loss of Grey-White Matter Differentiation
  • Parenchymal hemorrhage

    • Which condition is an ABSOLUTE contraindication for thrombolysis?

  • Right MCA Infarct with mass effect
  • Parenchymal hemorrhage (correct)
  • Left MCA hyperdense sign with no opacification on CTA
  • Areas of cytotoxic edema appearing bright on diffusion weighted images

    • What is a characteristic feature of an infarct in the Left PCA territory?

  • Acute right visual field loss (correct)
  • Transverse sinus thrombosis
  • Areas of cytotoxic edema appearing bright on diffusion weighted images
  • Hyperdense MCA sign

    • Which imaging manifestation suggests a Basilar artery thrombus?

    <p>Areas of cytotoxic edema appearing bright on diffusion weighted images</p> Signup and view all the answers

    What does the 'Hyperdense middle cerebral artery (MCA) sign' indicate?

    <p>Acute infarct in the MCA territory</p> Signup and view all the answers

    Which presentation is associated with the 'Left MCA hyperdense sign' and no opacification on CTA?

    <p>Intracranial hemorrhage due to superior sagittal sinus thrombosis</p> Signup and view all the answers

    What can be inferred from the presence of sulcal effacement on imaging?

    <p>Loss of Grey-White Matter Differentiation</p> Signup and view all the answers

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