ABR Neuroradiology Practice Questions - ABR Neuroradiology Subspecialty Certificate Of Added Qualification (CAQ) Exam

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On a non-contrast CT for acute stroke, a linear hyperdensity is seen in the left sylvian fissure within the first 6 hours. What does this sign most likely represent?

Hyperdense MCA sign indicating thrombus in the M1/M2 segment Subarachnoid hemorrhage in the sylvian cistern Dense calcification of the MCA wall Normal variant vascular density

Correct Answer:

Hyperdense MCA sign indicating thrombus in the M1/M2 segment

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