J Korean Neurol Assoc.  2021 Aug;39(3):150-157. 10.17340/jkna.2021.3.6.

Laterality of Skin Temperature Depending on Sensory Symptoms in Patient with Wallenberg Syndrome

Affiliations
  • 1Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea
  • 2Department of Anesthesiology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea

Abstract

Background
Wallenberg’s syndrome (WS) is caused by dorsal lateral medulla infarction. Clinical symptoms include hoarseness, dysphagia, sensory disturbance, vertigo, ataxia, and Horner’s syndrome. Recently, lateral difference of body surface temperature (BST) has been reported as a symptom of WS, resulting from the disturbances of the sympathetic nerve tract. Although sensory dysfunction is the major symptoms of WS, there is no evidence that BST influences these symptoms. We sought to evaluate the relationship between BST and sensory symptoms in WS using infrared thermography.
Methods
Patients with WS within 7 days of symptom onset from June 2018 to December 2020 were enrolled. Infrared thermography was conducted at 7±30 days and 90±30 days after the onset of stroke. Laterality of BST was defined as being positive when macroscopically different and discrepancy >0.5°C in thermography.
Results
The final analyses included 12 patients with a mean age of 59.9±11.85 years. Sensory symptoms in nine patients were most often described as numbness (56%), cold (44%), burning (33%), and heaviness (11%). Of these, burning symptoms lasted at 100%, cold 75%, and numbness 50% during 3 months follow-up. All patients with sensory dysfunction showed lateral BST differences. The BST laterality persisted in patients with remaining sensory dysfunction at 3 months follow-up.
Conclusions
All patients with sensory dysfunction in WS showed lateral BST differences which was detected with thermography. Laterality of BST and sensory dysfunction in WS might be associated with the disturbance of the connecting pathway of skin blood flow descending from the rostral ventrolateral medulla.

Keyword

Lateral medullary syndrome; Spinothalamic tracts; Temperature; Thermography
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