Patterns of chronic adhesive arachnoiditis following Myodil myelography: the significance of spinal canal stenosis and previous surgery

The British Journal of Radiology
R LaittI Isherwood

Abstract

109 patients who had undergone Myodil myelography on at least one occasion were identified. The patterns of lumbar nerve root distribution in this group were examined using magnetic resonance imaging. The relationship between these patterns and the presence of spinal stenosis or previous surgery was investigated. Chronic adhesive arachnoiditic nerve root patterns were seen in 68 patients and were classified into three groups according to Delemarter et al. Central clumping of nerve roots (type 1) and complete opacification of the thecal sac (type 3), extending over at least one vertebral level, were significantly related to spinal stenosis at an adjacent level (p < 0.0001). Peripheral adhesion of nerve roots to the theca (type 2) was significantly related to previous surgery at the level of abnormality (p < 0.00005). Only a single case of arachnoiditic nerve root patterns was seen in the absence of stenosis or previous surgery. We conclude that chronic adhesive arachnoiditis is significantly related to previous Myodil myelography in the presence of spinal stenosis or previous surgery but that Myodil alone rarely produces these changes.

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Citations

Oct 30, 2013·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Thomas BarzHarry R Merk
Sep 1, 2006·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kanna K GnanalinghamIan Sabin
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Aug 25, 2006·Joint, Bone, Spine : Revue Du Rhumatisme·Soulef KriaaAmor Gannouni
May 20, 2015·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·P A LaudatoC Schizas
Jan 23, 2016·Annals of Rehabilitation Medicine·Joonchul LeeIn-Sik Lee
Jan 30, 2007·Journal of Computer Assisted Tomography·I IkushimaY Yamashita
Feb 6, 2017·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Christian BarzThomas Barz
Aug 16, 2000·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·P G PettyW S Hare

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