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Spondylotic myelopathy mimicking myelitis: diagnostic clues by magnetic resonance imaging

A. Rua, Y. Blanco, M. Sepúlveda, N. Sola-Valls, E. Martínez-Hernández, S. Llufriu, J. Berenguer, F. Graus, A. Saiz [REV NEUROL 2015;61:499-502] PMID: 26602804 DOI: https://doi.org/10.33588/rn.6111.2015247

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Volumen 61 | Number 11 | Nº of views of the article 11.204 | Nº of PDF downloads 583 | Article publication date 01/12/2015

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ABSTRACT

INTRODUCTION Spondylotic myelopathy is the commonest cause of nontraumatic myelopathy. Radiological features of spondylotic myelopathy can often overlap with inflammatory myelopathies which may lead to a delayed or incorrect diagnosis and therapy. A distinctive gadolinium enhancement pattern recently described may help to differentiate spondylotic from inflammatory myelopathy. CASE REPORTS. Case 1: a 38-years-old man presented with a 2-year history of paresthesias in the upper extremities, and one year later cramps on the right limbs and numbness over right C5 and C6 dermatomes, related to movement of the neck. Case 2: a 44-year-old man presented with a 1-year history of progressive gait difficulties and sensory disturbance in the hands, and a recent onset of bladder dysfunction. In both cases, spinal cord MRI identified a longitudinal cervical T2-signal hyperintensity associated with a pancakelike transverse band of gadolinium enhancement just below the site of maximum spinal stenosis, and circumferential or hemicord enhancement on axial images.

CONCLUSIONS The radiological features of spondylotic myelopathy may resemble those of inflammatory origin. The recognition of a transverse pancakelike gadolinium enhancement immediately below the site of maximal compression as a typical radiological pattern of spondylotic myelopathy is important to reduce the risk of misdiagnosis and to help in the management of these patients. KeywordsGadolinium enhancement Magnetic resonance imaging Myelitis Spondylotic myelopathy

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Nota Clínica

Spondylotic myelopathy mimicking myelitis: diagnostic clues by magnetic resonance imaging

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