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Hemifacial spasm in infancy.

U Flüeler¹, D Taylor, S Hing

¹Department of Ophthalmology, Hospitals for Sick Children, London, England.

Archives of Ophthalmology (Chicago, Ill. : 1960)

|June 1, 1990

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Infantile hemifacial spasm can stem from serious brain conditions like venous sinus thrombosis or intrinsic masses. These findings expand the known causes of this rare condition in infants.

Area of Science:

Neurology
Pediatric Neurology
Neuroscience

Background:

Hemifacial spasm (HFS) is a rare condition characterized by involuntary contractions of facial muscles.
Etiology in infants is not well-established, often differing from adult presentations.

Observation:

Three infants presented with hemifacial spasm (HFS) shortly after birth or by 10 months of age.
One infant had straight sinus occlusion and collateral veins, suggesting venous sinus thrombosis.
Two infants had intrinsic masses compressing the fourth ventricle and surrounding cerebellar structures.

Findings:

Vascular compression of the facial nerve due to venous sinus thrombosis is a potential mechanism for infantile HFS.
Intrinsic intracranial masses causing mass effect on the brainstem and cerebellum are also identified causes.

Related Experiment Videos

These cases highlight diverse and severe underlying pathologies in infantile hemifacial spasm.

Implications:

The spectrum of causes for infantile hemifacial spasm is broader than previously recognized.
Early diagnosis and neuroimaging are crucial to identify serious intracranial pathologies.
Understanding these etiologies can guide appropriate management and improve patient outcomes.