Horner syndrome
Background
Scheme showing sympathetic and parasympathetic innervation of the pupil and sites of a lesion in Horner's syndrome.
- Involves lesion anywhere along the sympathetic tract:
- Central (Hypothalamus, brainstem, spinal cord)
- Preganglionic (Pulmonary apex)
- Postganglionic (Superior cervical ganglion, ICA, skull base, cavernous sinus)
Clinical Features
Left-sided Horner's syndrome
- Ipsilateral ptosis, miosis, anhidrosis
- Neck pain suggest carotid artery dissection
Differential Diagnosis
Etiology
- Adults
- CVA
- Brain tumor, lung mass
- ICA dissection
- Zoster
- Trauma
- Peds
- Neuroblastoma
- Lymphoma
- Mets
Management
See Also
References
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