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Radiology, Vol 149, 159-163, Copyright © 1983 by Radiological Society of North America

ARTICLES

Myelography in achondroplasia: value of a lateral C1-2 puncture and non- ionic, water-soluble contrast medium

RA Suss, GB Udvarhelyi, H Wang, AJ Kumar, SJ Zinreich and AE Rosenbaum

Because of technical difficulties and diagnostic limitations encountered with other myelographic techniques in patients with achondroplasia, the authors employed a lateral C1-2 puncture and non- ionic, water-soluble contrast medium in 18 achondroplastic patients with spinal compression (21 procedures). This technique proved most appropriate for identifying the upper limit of degenerative osteophytes causing exacerbation of congenital spinal stenosis, which is crucial in planning decompressive surgery. A potentially important additional finding was the presence of degenerative lower cervical spine disease in the majority of patients. There were no serious complications. The authors recommend this technique as safe and effective in achondroplastic patients with severe congenital spinal stenosis.




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