Horner's Syndrome Evaluation
- Drooping eyelid on one side of the face
- Constriction of the pupil on the same side of the face
- Absence of sweating on the same side of the face and neck
The diagnosis of Horner's syndrome is made during physical exam. Tests may required in order to find the cause of Horner's syndrome.
Tests that may be used to evaluate Horner's syndrome include:
- CT scan of the brain
- MRI scan of the brain
- CT scan of the spinal cord
- MRI scan of the spinal cord
- Chest x-ray
- CT scan of the chest
- MRI scan of the chest
The instillation of a 4% solution of cocaine into the eye can help differentiate between central and peripheral sympathetic pathway abnormalities. The diagnosis, but not the cause, is usually obvious after a physical examination.
Continue to Horner's Syndrome Treatment
PubMed Horner's Syndrome References
- Amonoo-Kuofi HS. Horner's syndrome revisited: with an update of the central pathway. Clin Anat. 1999;12(5):345-61. 
- Fetzer SJ. Recognizing Horner's syndrome. J Perianesth Nurs. 2000 Apr;15(2):124-8. 
- Leira EC, Bendixen BH, Kardon RH, Adams HP Jr. Brief, transient Horner's syndrome can be the hallmark of a carotid artery dissection. Neurology. 1998 Jan;50(1):289-90. 
- Patel S, Ilsen PF. Acquired Horner's syndrome: clinical review. Optometry. 2003 Apr;74(4):245-56.