title: [MRT in primary and tumor-induced syringomyelia].
abstract: The MRI findings in 26 patients with primary syringomyelia and eight patients with a syrinx due to an intramedullary tumour were studied retrospectively. In general, the syrinx in the tumour cases resembled the appearance of primary syringomyelia. However, a specific and sensitive sign of tumour-induced syringomyelia was irregularity of the spinal cord close to the tumour (eight cases of eight), eccentric position of the lumen (seven of eight), and a diffuse increase of signal intensity on T2-weighted images (eight of eight). Primary syringomyelia also showed increased signal intensity on T2-weighted images outside the lumen, but this was closely related to the cavity. The use of Gd-DTPA improved demarcation of the tumour from the syrinx in all cases. Widening of the spinal canal and ectopia of cerebellar tonsils was a typical finding in primary syringomyelia. MRI proved a reliable method for distinguishing between a tumour-induced syrinx and primary syringomyelia.
authors.affiliation: Radiologische Klinik, Universitätsklinikum Rudolf Virchow, Standort Charlottenburg, Freie Universität Berlin.
authors.forename: P
authors.initials: P
authors.lastname: Schubeus
authors.forename: W
authors.initials: W
authors.lastname: Schörner
authors.forename: H
authors.initials: H
authors.lastname: Henkes
authors.forename: G
authors.initials: G
authors.lastname: Hertel
authors.forename: R
authors.initials: R
authors.lastname: Felix
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D003287:Contrast Media; D005260:Female; D005682:Gadolinium; D019786:Gadolinium DTPA; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009942:Organometallic Compounds; D004369:Pentetic Acid; D013120:Spinal Cord Neoplasms / Q000150:complications* / Q000175:diagnosis; D013595:Syringomyelia / Q000175:diagnosis* / Q000209:etiology
chemical_list: D003287:Contrast Media; D009942:Organometallic Compounds; D004369:Pentetic Acid; D005682:Gadolinium; D019786:Gadolinium DTPA
vernacular_title: MRT bei primärer und tumorbedingter Syringomyelie.