Journal article
Harlequin syndrome: The sudden onset of unilateral flushing and sweating
Journal of Neurology, Neurosurgery and Psychiatry, Vol.51, pp.635-642
1988
Abstract
Facial flushing and sweating were investigated in five patients who complained of the sudden onset of unilateral facial flushing in hot weather or when exercising vigorously. One patient probably suffered a brainstem infarct at the time that the unilateral flush was first noticed, and was left with a subtle Horner's syndrome on the side opposite to the flush. The other four had no other neurological symptoms and no ocular signs of Horner's syndrome. Thermal and emotional flushing and sweating were found to be impaired on the non-flushing side of the forehead in all five patients whereas gustatory sweating and flushing were increased on that side in four of the five patients, a combination of signs indicating a deficit of the second sympathetic neuron at the level of the third thoracic segment. CT and MRI of this area failed to disclose a structural lesion but latency from stimulation of the motor cortex and thoracic spinal cord to the third intercostal muscle was delayed on the non-flushing side in one patient. The complaint of unilateral flushing and sweating was abolished in one patient by ipsilateral stellate ganglionectomy. The unilateral facial flushing and sweating induced by heat in all five patients was thus a normal or excessive response by an intact sympathetic pathway, the other side failing to respond because of a sympathetic deficit. The onset in the four cases of peripheral origin followed strenuous exertion, which suggested that an anterior radicular artery may have become occluded at the third thoracic segment during torsion of the thoracic spine.
Details
- Title
- Harlequin syndrome: The sudden onset of unilateral flushing and sweating
- Authors/Creators
- J.W. Lance (Author/Creator) - Prince of Wales HospitalP.D. Drummond (Author/Creator)S.C. Gandevia (Author/Creator)J.G. Morris (Author/Creator)
- Publication Details
- Journal of Neurology, Neurosurgery and Psychiatry, Vol.51, pp.635-642
- Publisher
- BMJ Publishing Group
- Identifiers
- 991005542893007891
- Copyright
- BMJ Publishing Group
- Murdoch Affiliation
- School of Psychology
- Language
- English
- Resource Type
- Journal article
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