1 MCQs in Radiology for NEET PG
A 58-year-old man with atrial fibrillation presents to the emergency department 90 minutes after acute onset of right-sided hemiparesis and expressive aphasia. Non-contrast CT head is performed. The structure marked **A** in the diagram shows a hyperattenuating tubular density (75 HU) compared to the contralateral side (40 HU). Which of the following best describes the pathophysiological significance of this finding?
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