[A comparison between digital luminescence radiography and conventional myelography]. 1991

R Erlemann, and J Adolph, and G Reuther, and T Vestring, and W Wiesmann, and J Fervers, and N Roos, and P E Peters
Institut für Klinische Radiologie, Westfälische Wihelms-Universität Münster.

The potential of digital luminescence radiography in replacing conventional myelography was analyzed using ROC methodology. 95 conventional (CR), digital (DR) and edge enhanced digital (EDR) myelograms (49 disk herniations, 46 normal) were read independently by 5 radiologists; and a ROC analysis was performed. Higher confidence levels were used in making both correct and incorrect diagnoses with DR and EDR than with CR. However, no statistically significant differences between AUC (area under the curve) values obtained with the different techniques, were noted. The separate analysis of cervical and lumbar myelograms showed no significant differences between the different techniques. With DR and EDR, the sensitivity of 4 of 5 readers was somewhat higher in the lumbar but lower in the cervical region than with CR. Replacement of conventional by digital luminescence myelography seems possible; however, some decrease of sensitivity in the cervical region must be accepted.

UI MeSH Term Description Entries
D007405 Intervertebral Disc Displacement An INTERVERTEBRAL DISC in which the NUCLEUS PULPOSUS has protruded through surrounding ANNULUS FIBROSUS. This occurs most frequently in the lower lumbar region. Disc Herniation,Disc Protrusion,Disc, Herniated,Disk Herniation,Disk Protrusion,Disk, Herniated,Intervertebral Disc Herniation,Intervertebral Disc Protrusion,Intervertebral Disk Displacement,Intervertebral Disk Herniation,Intervertebral Disk Protrusion,Prolapsed Disk,Protruded Disc,Protruded Disk,Slipped Disk,Disk Prolapse,Herniated Disc,Herniated Disk,Prolapsed Disc,Slipped Disc,Disc Displacement, Intervertebral,Disc Herniations,Disc Protrusion, Intervertebral,Disc Protrusions,Disc Protrusions, Intervertebral,Disc, Prolapsed,Disc, Protruded,Disc, Slipped,Discs, Protruded,Disk Displacement, Intervertebral,Disk Herniations,Disk Prolapses,Disk Protrusion, Intervertebral,Disk Protrusions,Disk, Prolapsed,Disk, Protruded,Disk, Slipped,Herniated Discs,Herniated Disks,Herniation, Disc,Herniation, Disk,Herniation, Intervertebral Disc,Herniation, Intervertebral Disk,Intervertebral Disc Displacements,Intervertebral Disc Herniations,Intervertebral Disc Protrusions,Intervertebral Disk Displacements,Intervertebral Disk Herniations,Intervertebral Disk Protrusions,Prolapse, Disk,Prolapsed Discs,Prolapsed Disks,Prolapses, Disk,Protruded Discs,Protruded Disks,Protrusion, Disc,Protrusion, Disk,Protrusion, Intervertebral Disc,Protrusion, Intervertebral Disk,Protrusions, Intervertebral Disk,Slipped Discs,Slipped Disks
D009192 Myelography X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachnoid space. Cisternography, Myelographic,Myelographic Cisternography,Cisternographies, Myelographic,Myelographic Cisternographies,Myelographies
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012372 ROC Curve A graphic means for assessing the ability of a screening test to discriminate between healthy and diseased persons; may also be used in other studies, e.g., distinguishing stimuli responses as to a faint stimuli or nonstimuli. ROC Analysis,Receiver Operating Characteristic,Analysis, ROC,Analyses, ROC,Characteristic, Receiver Operating,Characteristics, Receiver Operating,Curve, ROC,Curves, ROC,ROC Analyses,ROC Curves,Receiver Operating Characteristics
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D014963 X-Ray Intensifying Screens Screens which absorb the energy in the x-ray beam that has penetrated the patient and convert this energy into a light pattern which has as nearly as possible the same information as the original x-ray beam. The more light a screen produces for a given input of x-radiation, the less x-ray exposure and thus shorter exposure time are needed to expose the film. In most film-screen systems, the film is sandwiched between two screens in a cassette so that the emulsion on each side is exposed to the light from its contiguous screen. Film-Screen Systems, X-Ray,Radiographic Intensifying Screens,Screen-Film Systems, X-Ray,X-Ray Film-Screen Systems,Screens, Radiographic Intensifying,Xray Intensifying Screens,Film Screen Systems, X Ray,Film-Screen System, X-Ray,Intensifying Screen, Radiographic,Intensifying Screen, X-Ray,Intensifying Screen, Xray,Intensifying Screens, Radiographic,Intensifying Screens, X-Ray,Intensifying Screens, Xray,Radiographic Intensifying Screen,Screen Film Systems, X Ray,Screen, Radiographic Intensifying,Screen, X-Ray Intensifying,Screen, Xray Intensifying,Screen-Film System, X-Ray,Screens, X-Ray Intensifying,Screens, Xray Intensifying,System, X-Ray Film-Screen,System, X-Ray Screen-Film,Systems, X-Ray Film-Screen,Systems, X-Ray Screen-Film,X Ray Film Screen Systems,X Ray Intensifying Screens,X-Ray Film-Screen System,X-Ray Intensifying Screen,X-Ray Screen-Film System,X-Ray Screen-Film Systems,Xray Intensifying Screen

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