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horner_syndrome [2025/06/02 16:23] – Scott Larsonhorner_syndrome [2025/06/02 16:27] (current) – Scott Larson
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 ====== Horner Syndrome ====== ====== Horner Syndrome ======
 +  * Sympathetic dysfunction to the eye
 +    * Sympathetic innervation 
 +  * Clinical features: 
 +    * Anisocoria worse in dim light, smaller pupil doesn't dilate well (dilation lag)
 +    * Mild ptosis in the smaller pupil
 +    * Anhydrosis on the affected side
 +    * Heterochromia- less pigment on the affected side
 +
 +=====Etiology=====
 +  * Trauma
 +  * Tumor
  
 =====Clinical Testing===== =====Clinical Testing=====
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   * Negative (normal) result:    * Negative (normal) result: 
   * See:    * See: 
-**[[horner_syndrome_and_cocaine|Cocaine]]**+**[[horner_syndrome_and_cocaine|Cocaine]]**\\
 **[[cocaine_and_amphetamine_in_horner_syndrome|Amphetatine]]** **[[cocaine_and_amphetamine_in_horner_syndrome|Amphetatine]]**
 ====CNS imaging==== ====CNS imaging====
 ===St. Luke's Imaging Protocol=== ===St. Luke's Imaging Protocol===
   * Order: MRI Brain with/without contrast, MRI neck soft tissue with and without contrast.  Put in notes of both "Suspect Horner syndrome", "Use Horner protocol" or something similar    * Order: MRI Brain with/without contrast, MRI neck soft tissue with and without contrast.  Put in notes of both "Suspect Horner syndrome", "Use Horner protocol" or something similar