Hereditary chin spasm (geniospasm)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Hereditary chin spasm (geniospasm). The onset age is usually in the first year of life. Fully referenced neurology checklist.
Epidemiology
- The onset age is usually in the first year of life
- They symptoms worsen in early adulthood and then improve with age
- Complete remission occurs in about 10% of cases
Genetics
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Clinical features
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Triggers
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Associated features
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Differential diagnosis
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Neurophysiology
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Treatment
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Synonyms
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References
- Abbas A, Mytheen NS. Teaching Video NeuroImages: Hereditary chin trembling. Neurology 2018; 91:e792.
- Jarman PR, Wood NW, Davis MT, et al. Hereditary geniospasm: linkage to chromosome 9q13-q21 and evidence for genetic heterogeneity. Am J Hum Genet 1997; 61:928-933.
- Teng LY, Abd Hadi D, Anandakrishnan P, Murugesu S, Khoo TB, Mohamed AR. Geniospasm: a systematic review on natural history, prognosis, and treatment. Brain Dev 2022; 44:499-511.
- Işikay S. Hereditary chin trembling. J Pediatr Neurosci 2020; 15:66.
- Grimes DA, Han F, Bulman D, Nicolson ML, Suchowersky O. Hereditary chin trembling: a new family with exclusion of the chromosome 9q13-q21 Locus. Mov Disord 2002; 17:1390-1392.
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