Pseudochoreoathetosis secondary to progressive spondylotic cervical myelopathy. 2021

Christopher Alan Brooks, and Chun Seng Phua, and Ashraf Dower, and Renata Bazina
The School of Medicine, The University of Sydney, Sydney, New South Wales, Australia brooks.christopher.alan@gmail.com.

Pseudochoreoathetosis is a rare movement disorder associated with loss of proprioception. Culprit lesions may occur at any point between the cerebral cortex and the peripheral nerve. Seldom is the underlying cause reversible or prone to improvement. An elderly man presented to our tertiary centre with choreoathetoid movements secondary to spondylotic subaxial cervical myelopathy. His myelopathy fulminated and he was emergently treated with posterior decompressive neurosurgery. Unexpectedly, his choreoathetoid movements improved significantly post-operatively. There are a multitude of reports of pseudochoreoathetosis secondary to lesions of various aetiologies; however, few have reported this disorder secondary to cervical spondylosis. To our knowledge, there is only one other report in the medical literature. Herein, we report a second case, for the purposes of raising awareness of this disorder, and to highlight relevant clinical pearls for clinicians who encounter this rare pathology.

UI MeSH Term Description Entries
D008297 Male Males
D002574 Cervical Vertebrae The first seven VERTEBRAE of the SPINAL COLUMN, which correspond to the VERTEBRAE of the NECK. Cervical Spine,Cervical Spines,Spine, Cervical,Vertebrae, Cervical
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013118 Spinal Cord Diseases Pathologic conditions which feature SPINAL CORD damage or dysfunction, including disorders involving the meninges and perimeningeal spaces surrounding the spinal cord. Traumatic injuries, vascular diseases, infections, and inflammatory/autoimmune processes may affect the spinal cord. Myelopathy,Spinal Cord Disorders,Myelopathies,Spinal Cord Disease,Spinal Cord Disorder
D013128 Spinal Osteophytosis Outgrowth of immature bony processes or bone spurs (OSTEOPHYTE) from the VERTEBRAE, reflecting the presence of degenerative disease and calcification. It commonly occurs in cervical and lumbar SPONDYLOSIS. Osteophytosis, Spinal,Osteophytoses, Spinal,Spinal Osteophytoses
D055009 Spondylosis A degenerative spinal disease that can involve any part of the VERTEBRA, the INTERVERTEBRAL DISK, and the surrounding soft tissue. Cervical Spondylosis,Lumbarsacral Spondylosis,Spondylosis Deformans,Thoracic Spondylosis,Spondylosis, Cervical,Spondylosis, Lumbarsacral,Spondylosis, Thoracic
D019299 Decompression, Surgical A surgical operation for the relief of pressure in a body compartment or on a body part. (From Dorland, 28th ed) Surgical Decompression,Decompressions, Surgical,Surgical Decompressions

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