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[Unilateral persistent hyperhidrosis after ischemic stroke].

Y Sakashita¹, K Kakuta, K Kakuma

¹Department of Neurology, Tonami General Hospital.

Rinsho Shinkeigaku = Clinical Neurology

|April 1, 1992

Summary

Unilateral hyperhidrosis after ischemic stroke is rare. A hypothalamic lesion, potentially linked to the posterior cerebral artery, may cause this persistent sweating.

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Area of Science:

Neurology
Neuroscience
Medical Imaging

Background:

Ischemic stroke can lead to various neurological deficits.
Unilateral hyperhidrosis is an uncommon post-stroke symptom.

Observation:

A 64-year-old woman presented with right hemiplegia, motor aphasia, and unilateral hyperhidrosis.
Excessive sweating was predominantly on the right side of her body, particularly the face.
This unilateral sweating persisted for over two months.

Findings:

MRI revealed hemorrhagic infarctions in the left basal ganglia, internal capsule, thalamus, hypothalamus, and cerebral peduncle.
123I-IMP SPECT showed hypoperfusion in the left striatum, thalamus, occipital cortex, and right cerebellum.
Cerebral angiography indicated arteriosclerotic changes but no occlusion in the left posterior cerebral artery.

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Implications:

The hypothalamic lesion is suspected as the cause of hyperhidrosis.
Unilateral persistent hyperhidrosis may indicate cerebral infarction in the posterior cerebral artery territory.
This symptom could serve as a crucial diagnostic marker for specific stroke locations.