Duplicated middle cerebral artery

Changed by Henry Knipe, 30 Aug 2023

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Disclosures - updated 16 Jan 2023:

Integral Diagnostics, Shareholder (ongoing)
Micro-X Ltd, Shareholder (ongoing)

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~~The~~A duplicated middle cerebral artery is an anatomical variant in which there are two middle cerebral arteries originating from the distal end of the internal carotid artery.

Gross anatomy

Supply

The duplicated artery supplies the anterior temporal lobe.

Differential diagnosis

It should not be confused with an accessory middle cerebral artery, where the anomalous duplicated vessel originates from the anterior cerebral artery.

-<p>The <strong>duplicated middle cerebral artery</strong> is an anatomical variant in which there are two <a href="/articles/middle-cerebral-artery-mca-infarct">middle cerebral arteries</a> originating from the distal end of the <a href="/articles/internal-carotid-artery-1">internal carotid artery</a>.</p><h4>Supply</h4><p>The duplicated artery supplies the anterior <a title="Temporal lobe" href="/articles/temporal-lobe">temporal lobe</a>.</p><h4>Differential diagnosis</h4><p>It should not be confused with an <a href="/articles/accessory-middle-cerebral-artery">accessory middle cerebral artery</a>, where the anomalous duplicated vessel originates from the <a href="/articles/anterior-cerebral-artery">anterior cerebral artery</a>.</p>
+<p>A <strong>duplicated middle cerebral artery</strong> is an anatomical variant in which there are two <a href="/articles/middle-cerebral-artery-mca-infarct">middle cerebral arteries</a> originating from the distal end of the <a href="/articles/internal-carotid-artery-1">internal carotid artery</a>.</p><h4>Gross anatomy</h4><h5>Supply</h5><p>The duplicated artery supplies the anterior <a href="/articles/temporal-lobe" title="Temporal lobe">temporal lobe</a>.</p><h4>Differential diagnosis</h4><p>It should not be confused with an <a href="/articles/accessory-middle-cerebral-artery">accessory middle cerebral artery</a>, where the anomalous duplicated vessel originates from the <a href="/articles/anterior-cerebral-artery">anterior cerebral artery</a>.</p>

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Image 7 Ultrasound (Transverse (Fetal Skull)) ( create )

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Case 5: on antenatal ultrasound

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