Intramedullary spinal cord tumors: MR imaging, with emphasis on associated cysts

Fifteen magnetic resonance (MR) imaging studies in 16 patients with intramedullary spinal cord lesions were correlated with surgical findings in all patients and with results of intraoperative spinal sonography (IOSS) in eight. Tumor extent was defined accurately in all but two patients by MR imagin...

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Bibliographic Details
Published inRadiology Vol. 161; no. 2; p. 381
Main Authors Goy, A M, Pinto, R S, Raghavendra, B N, Epstein, F J, Kricheff, I I
Format Journal Article
LanguageEnglish
Published United States 01.11.1986
Subjects
Adolescent
Adult
Child
Child, Preschool
Cysts - complications
Cysts - diagnosis
Female
Humans
Magnetic Resonance Spectroscopy
Male
Middle Aged
Spinal Cord Diseases - complications
Spinal Cord Diseases - diagnosis
Spinal Cord Neoplasms - complications
Spinal Cord Neoplasms - diagnosis
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Summary:Fifteen magnetic resonance (MR) imaging studies in 16 patients with intramedullary spinal cord lesions were correlated with surgical findings in all patients and with results of intraoperative spinal sonography (IOSS) in eight. Tumor extent was defined accurately in all but two patients by MR imaging; these lesions were found at surgery to have been underestimated by one to two vertebral body segments. Most tumors had lengthened T1 and T2 relaxation times. Intratumoral cysts were detected by MR imaging in one of eight cases, and rostral and caudal cysts were defined in only two of ten cases. The poor detection rate is attributed to poor spatial and contrast resolution. Preoperative MR imaging to define the extent of cord enlargement and IOSS to define cystic structures appears to be the optimal method of tumor management pending our further study.
ISSN:0033-8419
DOI:10.1148/radiology.161.2.3763905