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Published in: Clinical Autonomic Research 1/2023

12-12-2022 | Stroke | Research Article

Cortico–hypothalamic pathway of Horner syndrome derived from isolated lenticulostriate stroke

Authors: Li Wu, Ming Luo, Yongjun Jiang

Published in: Clinical Autonomic Research | Issue 1/2023

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Abstract

Backgrounds

Horner syndrome presents with ipsilateral ptosis, miosis, and anhidrosis due to interruption of the oculosympathetic pathway. Patients with acute ischemic stroke may present with Horner syndrome, which may help locate the lesion. However, the underlying pathways involved in Horner syndrome caused by isolated lenticulostriate ischemic stroke remain unclear.

Methods

We screened consecutive patients with acute ischemic stroke admitted to the Second Affiliated Hospital of Guangzhou Medical University from 1 January 2020 to 31 December 2021, and searched for cases of isolated lenticulostriate strokes presenting with Horner syndrome. Strokes involving the brainstem or hypothalamus, or those caused by carotid dissection or carotid cavernous fistula were excluded based on neuroimaging and cerebrovascular examination.

Results

Among the 1706 acute stroke patients, three patients developed temporary or long-term Horner syndrome due to an ipsilateral lenticulostriate ischemic lesion. Diffusion-tensor imaging revealed disruption of an uncrossed pathway from Brodmann areas 3, 1, and 2 through the basal ganglia to the ipsilateral hypothalamus.

Conclusion

These findings suggest that Horner syndrome may be due to a disruption of an uncrossed cortico-basal ganglia-hypothalamic sympathetic pathway.
Literature
Metadata
Title
Cortico–hypothalamic pathway of Horner syndrome derived from isolated lenticulostriate stroke
Authors
Li Wu
Ming Luo
Yongjun Jiang
Publication date
12-12-2022
Publisher
Springer Berlin Heidelberg
Published in
Clinical Autonomic Research / Issue 1/2023
Print ISSN: 0959-9851
Electronic ISSN: 1619-1560
DOI
https://doi.org/10.1007/s10286-022-00914-w

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Acknowledgement to Reviewers

Acknowledgement to Reviewers