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[Hemifacial spasm. Etiology and management]
B Girard1, G de Saint Sauveur2, M Tatry1
1Service d'ophtalmologie, hôpital Tenon, Sorbonne université, Assistance publique-Hôpitaux de Paris, 4, rue de la Chine, 75970 Paris cedex 20, France.
Journal Francais D'Ophtalmologie
|January 4, 2021
Summary
Hemifacial spasm (HFS) etiology was investigated in 198 patients. MRI revealed vascular compression in 34.5% of cases, highlighting its importance in diagnosing HFS.
Area of Science:
- Neurology
- Medical Imaging
Background:
- Hemifacial spasm (HFS) involves involuntary facial muscle contractions.
- Understanding the causes of HFS is crucial for effective management.
Purpose of the Study:
- To investigate the underlying causes of hemifacial spasm (HFS).
- To evaluate the diagnostic utility of MRI in identifying HFS etiology.
Main Methods:
- Retrospective analysis of 198 patients with HFS undergoing MRI.
- Clinical data review to determine the cause of HFS.
Main Results:
- An etiology was identified in 52.5% of patients.
- MRI revealed vascular compression in 34.5% of HFS cases.
- Brain tumors were found in 1.5% of cases; MRI was normal in 64.5%.
Conclusions:
- MRI, particularly of the posterior fossa, is essential for diagnosing HFS.
- Identifies primary HFS due to vascular compression and rules out tumors.
- Botulinum neurotoxin A injections are a primary treatment; microvascular decompression is an option.
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