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Duplicated middle cerebral artery

Dr Mark Thurston and Dr Bruno Di Muzio et al.

The 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.


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.

Anatomy: Brain

Anatomy: Brain

Article information

rID: 40642
Section: Anatomy
Synonyms or Alternate Spellings:
  • Middle cerebral artery duplication
  • Duplicated MCA
  • MCA duplication
  • Duplication of middle cerebral artery
  • Duplication of MCA
  • MCA duplication

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Cases and figures

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