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Horner Syndrome: A Clinical Review
1Department of Ophthalmology, Wake Forest University School of Medicine , Wiston-Salem, North Carolina 27157, United States.
ACS Chemical Neuroscience
|December 21, 2017
Summary
Horner syndrome, caused by oculosympathetic pathway interruption, presents with droopy eyelid and small pupil. Though often asymptomatic, it signals potentially serious underlying conditions requiring evaluation.
Area of Science:
- Neurology
- Ophthalmology
Background:
- Horner syndrome arises from a disruption of the oculosympathetic pathway.
- Clinical signs include ptosis (droopy eyelid) and miosis (constricted pupil) on the affected side.
- Facial sweating deficits may also occur.
Purpose of the Study:
- To review the identification, diagnosis, and etiologies of Horner syndrome.
- To emphasize its significance as a potential indicator of serious pathology.
Main Methods:
- This is a clinical review.
- Discussion includes clinical signs, diagnostic confirmation, and etiological evaluation.
Main Results:
- Horner syndrome's subtle signs can mask serious underlying conditions.
- The oculosympathetic pathway's extensive anatomical course makes it vulnerable to pathology in the head, neck, and chest.
Conclusions:
- Prompt identification and diagnosis of Horner syndrome are crucial.
- Evaluation for serious underlying causes is essential despite the syndrome's typically mild presentation.
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