Lower motor neuron syndrome due to cauda equina hypertrophy with onion bulbs

O'Ferrall, E. K. and Gendron, D. and Guiot, M. C. and Hall, J. and Sinnreich, M.. (2013) Lower motor neuron syndrome due to cauda equina hypertrophy with onion bulbs. Muscle & nerve, Vol. 48, H. 2. pp. 301-305.

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Official URL: http://edoc.unibas.ch/dok/A6338137

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INTRODUCTION: Hypertrophy of the nerve roots of the cauda equina may occur with both acquired and inherited neuropathies. Although selective nerve root involvement of the sensory roots has been described and termed chronic inflammatory sensory polyradiculoneuropathy (CISP), selective involvement of the proximal motor roots has not been described. METHODS: Clinical, electrophysiological, MRI, and pathological findings are reported. RESULTS: Here, we report a patient with cauda equina hypertrophy presenting with a pure lower motor neuron syndrome without clinical or electrophysiological evidence of sensory fiber involvement. Bowel and bladder functions were spared. Nerve root biopsy demonstrated abundant onion bulb formations. The patient experienced improvement in motor function with immunomodulatory treatment. CONCLUSIONS: We suggest the term chronic immune demyelinating motor polyradiculopathy (CIMP) to describe this particular form of CIDP, thereby expanding the clinical spectrum of CIDP.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Neuromuscular Research (Sinnreich)
UniBasel Contributors:Sinnreich, Michael
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:John Wiley
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:10 Apr 2015 09:12
Deposited On:10 Apr 2015 09:12

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