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    Neurology. 1998 Jan;50(1):289-90.

    Brief, transient Horner's syndrome can be the hallmark of a carotid artery dissection.

    Source

    Department of Neurology (Cerebrovascular Diseases), University of Iowa College of Medicine, Iowa City 52242-1053, USA.

    Abstract

    We describe a 41-year-old woman in whom the diagnosis of carotid artery dissection was suspected based on a recent history of anisocoria and ipsilateral ptosis that lasted 2 days. She had a normal neurologic examination, including no clinical evidence of anisocoria or ptosis. Subsequently, a cocaine test demonstrated pharmacologic Horner's syndrome. MRI confirmed the carotid dissection. This patient illustrates that a history of transient pupillary and eyelid abnormalities can lead to the diagnosis of a carotid dissection. Specific questioning about transient anisocoria and ptosis should be considered when a carotid artery dissection is suspected. Pharmacologic testing may be a useful tool in such instances.

    PMID:
    9443497
    [PubMed - indexed for MEDLINE]

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