Abstract
Cluster headache is a clinical entity characterised by strictly unilateral head pain attacks accompanied by ipsilateral autonomic phenomena. We report two patients who had pain episodes mimicking cluster headache attacks, and who experienced a total or partial Horner's syndrome ipsilaterally to pain, persisting for 48 h after the last attack. A dissection of the ipsilateral internal carotid artery at the extra-intracranial passage was present in both cases. These cases highlight the need for extensive neuroradiological investigation in cluster headache patients when atypical features are present.
MeSH terms
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Anticoagulants / pharmacology
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Anticoagulants / therapeutic use
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Brain / blood supply
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Brain / pathology
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Brain / physiopathology
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Brain Ischemia / etiology
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Brain Ischemia / physiopathology
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Carotid Artery, Internal / pathology
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Carotid Artery, Internal / physiopathology*
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Carotid Artery, Internal, Dissection / complications*
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Carotid Artery, Internal, Dissection / physiopathology*
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Cluster Headache / etiology*
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Cluster Headache / physiopathology*
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Horner Syndrome / etiology
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Horner Syndrome / physiopathology
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Humans
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Magnetic Resonance Imaging
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Male
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Middle Aged
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Sympathetic Fibers, Postganglionic / physiopathology
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Time Factors
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Tomography, X-Ray Computed