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Evolving hemimedullary syndrome: A case report.

Yanjun Zhang¹, Aolei Lin², Li Chen³

¹Third Department of Neurology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China.

Science Progress

|April 15, 2026

Summary

This summary is machine-generated.

Hemimedullary syndrome (HS), a rare brainstem stroke, involves simultaneous medial and lateral medulla oblongata infarction. This case study explores successful treatment using intravenous thrombolysis and mechanical thrombectomy for evolving HS.

Keywords:

brainstem infarction crossed syndromes of the medulla oblongata hemimedullary syndrome mechanical thrombectomy medulla oblongata vertebral arteries

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Area of Science:

Neurology
Vascular Neurology
Neurocritical Care

Background:

Hemimedullary syndrome (HS) is a rare neurological condition involving simultaneous infarction of the lateral and medial medulla oblongata.
It presents with overlapping clinical features of Wallenberg and Dejerine syndromes.
Limited data exists on clinical management and outcomes for HS.

Purpose of the Study:

To report a case of evolving Hemimedullary syndrome.
To describe the treatment approach using intravenous thrombolysis and mechanical thrombectomy.
To contribute to the scarce literature on HS management and outcomes.

Main Methods:

A patient diagnosed with evolving Hemimedullary syndrome was treated.
Intravenous thrombolysis was administered.
Mechanical thrombectomy was performed as part of the treatment strategy.

Main Results:

The patient's evolving Hemimedullary syndrome was managed with advanced reperfusion therapies.
Successful application of both intravenous thrombolysis and mechanical thrombectomy was achieved.
The treatment approach aimed to address the complex infarction pattern of HS.

Conclusions:

This case highlights the potential efficacy of intravenous thrombolysis and mechanical thrombectomy in managing Hemimedullary syndrome.
Further research and case reports are needed to establish optimal treatment guidelines for HS.
Prompt and aggressive intervention may be crucial for improving outcomes in rare medullary infarction syndromes.