Computed tomography of cystic nerve root sleeve dilatation

A case of cystic nerve root sleeve dilatation in the lumbar area associated with a chronic back pain syndrome is presented. Prominent computed tomography (CT) findings include: (a) rounded masses in the region of the foramina isodense with cerebrospinal fluid in the subarachnoid space; (b) associate...

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Veröffentlicht in:Journal of computer assisted tomography 1983-10, Vol.7 (5), p.881-885
Hauptverfasser: NEAVE, V. C. D, WYCOFF, R. R
Format: Artikel
Sprache:eng
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Zusammenfassung:A case of cystic nerve root sleeve dilatation in the lumbar area associated with a chronic back pain syndrome is presented. Prominent computed tomography (CT) findings include: (a) rounded masses in the region of the foramina isodense with cerebrospinal fluid in the subarachnoid space; (b) associated asymmetry of epidural fat distribution; (c) enlargement of the neural foramina in axial sections with scalloped erosion of the adjacent posteriolateral vertebral body, pedicle, and pedicular-laminar junction with preservation of cortex and without bony sclerosis or infiltrative appearance; (d) prominent or ectatic dural sac with lack of usual epidural landmarks between the sac and vertebral body; and (e) multilevel abnormalities throughout the entire lumbar region. Myelographic and CT correlations are demonstrated with a review of the literature. A discussion of the various cystic abnormalities involving nerve root sheaths is undertaken in an attempt to clarify the confusing nomenclature applied to nerve root sleeve pathology.
ISSN:0363-8715
1532-3145
DOI:10.1097/00004728-198310000-00024