mri anatomy of the cranial nerves - geyseco
TRANSCRIPT
![Page 1: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/1.jpg)
MRI ANATOMY OF THE CRANIAL NERVES
Alexandra Borges
Radiology Dpt.
Instituto Português de Oncologia de Lisboa
SENR 2014
![Page 2: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/2.jpg)
CRANIAL NERVES
• Olfactory: I
• Optic: II
• Oculomotor nerves: III, IV, VI
• Trigeminal nerve: (V1, V2, V3)
• Facial nerve (VII)
• Vestibulochoclear (VIII)
• Glossopharyngeal (IX)
• Vagus (X)
• Spinal accessory (XI)
• Hypoglossal nerve (XII)
![Page 3: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/3.jpg)
CRANIAL NERVES: Anatomy
• Segments:
– Brainstem/ fascicular
– Cisternal
(cavernous sinus CNs III, IV, VI)
– Skull base
– Exocranial
Borges A, Casselman J. "Imaging the cranial nerves Part I”. Eur Radiol 17(8):2112-2125, 2007
3DFT CISS
![Page 4: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/4.jpg)
MR FSE T2W 3DFT-CISS SE T1W pre- and post gad
3DFT-MPRAGE
TR 4000 12.25 684 11.6
TE 99 5.9 20 4.9
FA 180º 70º 90º 12º
Acq. time 3 7.14 5.31 10.51
Thick 4 0.7 2 1
Matrix 242x512 192x256 160x256 192x256
FOV 300 95 230 240
Pixel size 0.62x0.59 0.49x0.37 0.90x0.90 0.94x0.94
CNs MR IMAGING TECHNIQUE
![Page 5: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/5.jpg)
OLFACTORY NERVE
![Page 6: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/6.jpg)
OLFACTORY NERVE
From Ric Harnsberger Imaging anatomy
![Page 7: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/7.jpg)
OPTIC NERVE
From Ric Harnsberger Imaging anatomy
SE T1W
FSE T2W
![Page 8: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/8.jpg)
OPTIC NERVE SE T1W
STIR
![Page 9: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/9.jpg)
OPTIC NERVE
![Page 10: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/10.jpg)
OPTIC NERVE CE SE T1W
![Page 11: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/11.jpg)
CN III (OCULOMOTOR NERVE) From Ric Harnsberger Imaging anatomy
![Page 12: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/12.jpg)
CN III
![Page 13: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/13.jpg)
CN III
![Page 14: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/14.jpg)
CN III:
Inferior rectus
Inferior oblique Medial rectus
Levator palpebrae Superior rectus
Superior division
Inferior division
From Ric Harnsberger Imaging anatomy
![Page 15: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/15.jpg)
CN IV (TROCHLEAR NERVE)
Borges A, Casselman J. "Imaging the cranial nerves Part I” EJR, 2007
From Ric Harnsberger Imaging anatomy
![Page 16: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/16.jpg)
CN IV
Borges A, Casselman J. "Imaging the cranial nerves Part I”
![Page 17: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/17.jpg)
CN IV
Superior oblique
Superior oblique
FSE T2W CE FATSAT T1W
![Page 18: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/18.jpg)
CN VIn
CN VI (ABDUCENS NERVE)
![Page 19: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/19.jpg)
CN VI
![Page 20: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/20.jpg)
CN VI
![Page 21: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/21.jpg)
TRIGEMINAL NERVE (CN V)
The largest of the cranial nerves
Provides:
Sensory input from the face
Motor innervation to the muscles of mastication
![Page 22: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/22.jpg)
BRAINSTEM SEGMENT
Mn
CSn
Mes.n
STn
Sag SE T1W
Axial FSE T2W
![Page 23: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/23.jpg)
CISTERNAL SEGMENT/MECKEL’S CAVE
Axial CISS
Axial CISS Cor SE T1W
Sag SE T1W
![Page 24: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/24.jpg)
MECKEL’S CAVE
Post Gad Sag SE T1W
Axial CISS Axial CISS
FSE T2W
![Page 25: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/25.jpg)
MOTOR ROOT CAVERNOUS SEGMENT
Cor CISS
Post Gad SENSE
Borges A, Casselman J. "Imaging the cranial nerves Part I”
![Page 26: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/26.jpg)
V1 (Ophthalmic division)
Post Gad SENSE
Axial CT
Lacrimal Frontal Nasocilliary
![Page 27: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/27.jpg)
V2 (Maxillary division)
Courtesy Dr. Jan Casselman
Cor CT
Post Gad SENSE
Cor FSE T2W
SENSE T1W
![Page 28: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/28.jpg)
V3 (Mandibular division)
V3 MOTOR
V3 SENSORY
Post Gad Cor SENSE
Axial CT
Post Gad Sag FAT SAT SE T1W
![Page 29: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/29.jpg)
V3
Masticator branch
Mylohyoid branch
![Page 30: MRI ANATOMY OF THE CRANIAL NERVES - GEYSECO](https://reader030.vdocuments.mx/reader030/viewer/2022012523/6196f2dcd62f3646020db395/html5/thumbnails/30.jpg)
Thank you very much for your attention!