Cortical myoclonus
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Cortical myoclonus. The cortex is normal apart from occasional gliosis. Fully referenced neurology checklist.
Pathology
- The cortex is normal apart from occasional gliosis
- There is cerebellar atrophy and degeneration: this especially involves the Purkinje cells
Causes
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Causes of multifocal cortical myoclonus
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Clinical features
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Triggers (stimulus sensitivity)
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Somatosensory evoked potentials (SEPs)
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References
- Tijssen MA, Thom M, Ellison DW, et al. Cortical myoclonus and cerebellar pathology. Neurology 2000; 54:1350-1356.
- Kojovic M, Cordivari C, Bhatia K. Myoclonic disorders: a practical approach for diagnosis and treatment. Ther Adv Neurol Disord 2011; 4:47-62.
- Velilla-Alonso G, Martín-Miguel MDC, Massot-Tarrús A. Cortical myoclonus associated with coeliac disease showing a characteristic EEG pattern: A case report. Seizure 2022; 95:81-83.
