Tremor and Other Hyperkinetic Movements

Isolated Propriospinal Myoclonus as a Presentation of Cervical Myelopathy

Paula Marrero-González, Berta Pascual-Sedano, Alejandro Martínez-Domeño, L. Estefanía Díaz Polo, Esther Granell, Rodrigo Rodríguez, Alexandre Gironell, Daniel Guisado-Alonso

Abstract


Background: Propriospinal myoclonus is an infrequent type of hyperkinetic movement that can be commonly idiopathic but also may occur after spinal cord lesions.

Phenomenology Shown: We describe an 8-year-old girl showing repetitive flexor and extensor arrhythmic brief jerks of the trunk, compatible with propriospinal myoclonus secondary to cervical myelopathy.

Educational Value: Isolated propriospinal myoclonus may be the clinical sign that leads to the diagnosis of incipient myelopathy.


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