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Magnetic resonance angiography (MRA) of the circle of Willis


Circle of Willis: AP view with rotations (MIP, Time-of-flight)

Click the thumbnails below to see the MR-angiogram.

  • Circle of Willis: AP view of the MR angiogram with rotation. Image 1
    1, Basilar artery. 2, Anterior cerebral artery (A1). 3, Anterior cerebral artery (A2). 4, Middle cerebral artery. 5, Internal carotid artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 2
    1, Internal carotid artery. 2, Posterior cerebral artery. 3, Anterior cerebral artery (A1). 4, Anterior cerebral artery (A2). 5, Middle cerebral artery. 6, Basilar artery. 7, Vertebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 3
    1, Internal carotid artery. 2, Anterior cerebral artery. 3, Anterior communicating artery. 4, Middle cerebral artery. 5, Posterior cerebral artery. 6, Vertebral artery. 7, Basilar artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 4
    1, Internal carotid artery. 2, Anterior cerebral artery. 3, Middle cerebral artery. 4, Posterior cerebral artery. 5, Vertebral artery. 6, Basilar artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 5
    1, Internal carotid artery. 2, Middle cerebral artery. 3, Anterior cerebral artery. 4, Vertebral artery. 5, Basilar artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 6
    1, Internal carotid artery. 2, Middle cerebral artery. 3, Anterior cerebral artery. 4, Posterior cerebral artery. 5, Vertebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 7
    1, Middle cerebral artery. 2, Internal carotid artery. 3, Anterior cerebral artery. 4, Internal carotid artery. 5, Posterior cerebral artery. 6, Vertebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 8
    1, Middle cerebral artery. 2, Internal carotid artery. 3, Anterior cerebral artery. 4, Posterior cerebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 9
    1, Internal carotid artery. 2, Middle cerebral artery. 3, Posterior cerebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 10
    1, Internal carotid artery. 2, Vertebral artery. 3, Middle cerebral artery. 4, Posterior cerebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 11
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery.
  • Circle of Willis: AP view of the MR angiogram with rotation. Image 12
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery.
 

Circle of Willis: lateral view with rotations (MIP, Time-of-flight)

Click the thumbnails below to see the MR-angiogram.


  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 1
    1, Basilar artery. 2, Posterior cerebral artery. 3, Anterior cerebral artery (A2). 4, Internal carotid artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 2
    1, Vertebral artery. 2, Basilar artery. 3, Anterior cerebral artery. 4, Internal carotid artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 3
    1, Vertebral artery. 2, Internal carotid artery. 3, Basilar artery. 4, Anterior cerebral artery. 5, Middle cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 4
    1, Vertebral artery. 2, Internal carotid artery. 3, Basilar artery. 4, Anterior cerebral artery. 5, Middle cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 5
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery. 5, Anterior cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 6
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery. 5, Anterior cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 7
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery. 5, Anterior cerebral artery. 6, Posterior cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 8
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery. 5, Anterior cerebral artery. 6, Posterior cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 9
    1, Internal carotid artery. 2, Vertebral artery. 3, Basilar artery. 4, Middle cerebral artery. 5, Anterior cerebral artery. 6, Posterior cerebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 10
    1, Vertebral artery. 2, Internal carotid artery. 3, Middle cerebral artery. 4, Anterior cerebral artery. 5, Posterior cerebral artery. 6, Basilar artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 11
    1, Internal carotid artery. 2, Anterior cerebral artery. 3, Posterior cerebral artery. 4, Basilar artery. 5, Vertebral artery.
  • Circle of Willis: lateral view of the MR angiogram with rotations. Image 11
    1, Internal carotid artery. 2, Anterior cerebral artery. 3, Posterior cerebral artery. 4, Basilar artery. 5, Vertebral artery.
 

Reference:

Harnsberger HR, Osborn AG, Ross JS, Moore KR, Salzman KL, Carrasco CR, Halmiton BE, Davidson HC, Wiggins RH. Diagnostic and Surgical Imaging Anatomy: Brain, Head and Neck, Spine. 3rd ed. Salt Lake City, Utah. Amirsys. 2007.
Bourjat P, Veillon F. Imagerie radiologique tête et cou. Paris, Vigot. 1995.
Gouazé A, Baumann JA, Dhem A. Sobota. Atlas d'Anatomie humaine. Tome 3. Système nerveux central, système nerveux autonome, organe des sens et peau, vaisseaux et nerfs périphériques. 1er éd. Paris, Maloine. 1977.
Kahle W, Cabrol C. Anatomie. Tome 3: Système nnerveux et organe des sens. 1er éd. Paris, Flammarion. 1979.


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