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Related Experiment Videos

A hypothalamic stroke producing recurrent hemihyperhidrosis.

C D Smith1

  • 1Magnetic Resonance Imaging and Spectroscopy Center and the Department of Neurology, University of Kentucky Medical Center, Lexington, KY 40536, USA. csmith@mri.uky.edu

Neurology
|May 29, 2001
PubMed
Summary
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A man experienced one-sided sweating due to a brain lesion. This case highlights the hypothalamus's role in regulating thermoregulation and autonomic functions.

Area of Science:

  • Neurology
  • Autonomic Neuroscience
  • Neuroimaging

Background:

  • The hypothalamus plays a crucial role in regulating autonomic functions, including thermoregulation and sweating.
  • Unilateral sweating disorders are rare and can be associated with various neurological conditions.

Observation:

  • A 40-year-old male presented with sudden onset of profuse left-sided sweating, which later became intermittent.
  • Magnetic Resonance Imaging (MRI) revealed a linear hyperintensity in the right posterior hypothalamus.

Findings:

  • The observed hyperintensity on MRI suggested a focal lesion in the hypothalamus.
  • The lesion appeared to diminish on follow-up imaging, correlating with the intermittent nature of the sweating episodes.

Implications:

Related Experiment Videos

  • This case underscores the hypothalamus's critical role in controlling unilateral sweating and thermoregulation.
  • Understanding such focal lesions can aid in diagnosing and managing rare autonomic dysfunction disorders.