Arab Board Radiology Final Written Practice Questions - Arab Board Diagnostic Radiology Final Written Exam (ABHS) Exam

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A 68-year-old male presents 90 minutes after the sudden onset of right-sided hemiplegia and expressive aphasia. An emergent non-contrast head CT is performed. Which of the following early parenchymal ischemic signs is caused by cytotoxic edema causing loss of gray-white matter differentiation in the lateral basal ganglia?

Obscuration of the lentiform nucleus Dense middle cerebral artery (MCA) sign Hyperdense basilar artery sign Sulcal effacement over the high parietal vertex

Correct Answer:

Obscuration of the lentiform nucleus

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