Arachnoidal diverticula and cystlike dilatations of the nerve-root sheaths in lumbar myelography

Diverticulum-like widening of one or several nerve-root sheaths was found in 24 of 136 patients examined by lumbar myelography. No clinical significance of the diverticula was demonstrated. The roots most commonly affected were the S 1 and S 2 roots, carrying approximately 60 per cent of the diverti...

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Bibliographic Details
Published inActa radiologica. Diagnosis Vol. 21; no. 2A; p. 141
Main Authors Larsen, J L, Smith, D, Fossan, G
Format Journal Article
LanguageEnglish
Published Sweden 01.01.1980
Subjects
Arachnoid - diagnostic imaging
Arachnoid - pathology
Dilatation, Pathologic - diagnostic imaging
Diverticulum - diagnostic imaging
Humans
Myelin Sheath - pathology
Myelography
Spinal Nerve Roots - diagnostic imaging
Spinal Nerve Roots - pathology
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Summary:Diverticulum-like widening of one or several nerve-root sheaths was found in 24 of 136 patients examined by lumbar myelography. No clinical significance of the diverticula was demonstrated. The roots most commonly affected were the S 1 and S 2 roots, carrying approximately 60 per cent of the diverticula. A system of classification according to morphology and to size compared with the root involved is proposed. A relationship between magasac and arachnoidal diverticula is confirmed.
ISSN:0567-8056
DOI:10.1177/028418518002102A02