HORNERS SYNDROME MRI Protocol

  • 3-PLANE LOC
  • AxialT1 FS
  • Coronal T1
  • Axial T2 FS
  • CoronalL STIR
  • Optional Gradient
Post Contrast
  • AXIAL T1 POST
  • CORONAL T1 POST FS
  • MRA DYNAMIC 

FOV NEEDS TO GO FROM TOP OF TEMPORAL BONE TO AORTIC ARCH
IF HISTORY IS ASSOCIATED WITH TRAUMA OR NECK FRACTURE A TRIPLE SAG C-SPINE MAY BE ADDED


Horner's syndrome 
Horner's syndrome describes a range of features associated with interruption of the sympathetic innervation to the eye. Lesions at any point along the course of the sympathetic pathway may result in Horner's syndrome. 
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Fibres arise in the hypothalamus and descend through the midbrain and pons. They exit the cord at T1 and ascend to the superior cervical ganglion (C3-C4). Fibres ascend along the internal carotid artery to enter the cavernous sinus. They enter the orbit via the superior orbital fissure. Signs of the condition include ptosis (drooping of the eyelid), miosis (small pupil), and ipsilateral anhydrosis (impaired sweating on the affected side). 

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