Dallas Discogram Description A New Classification of CT/Discography in Low-back Disorders

Sachs, Barton L.; Vanharanta, Heikki; Spivey, Mark A.; Guyer, Richard D.; Videman, Tapio; Rashbaum, Ralph F.; Johnson, Robert G.; Hochschuler, Stephen H.; Mooney, Vert

doi:10.1097/00007632-198704000-00018

Cited by 299 publications

(148 citation statements)

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“…CT was performed after each discogram. The Dallas Discogram Scale for annular disruption was used to classify each CT discogram to identify the depth of posterior annular disruption [14].…”

Section: Methodsmentioning

confidence: 99%

The pathogenesis and clinical significance of a high-intensity zone (HIZ) of lumbar intervertebral disc on MR imaging in the patient with discogenic low back pain

et al. 2005

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“…CT was performed after each discogram. The Dallas Discogram Scale for annular disruption was used to classify each CT discogram to identify the depth of posterior annular disruption [14].…”

Section: Methodsmentioning

confidence: 99%

The pathogenesis and clinical significance of a high-intensity zone (HIZ) of lumbar intervertebral disc on MR imaging in the patient with discogenic low back pain

et al. 2005

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“…Patients were operated by anterior fusion. Preoperative evaluation of degeneration, pain and possible annular tears were classified by the Dallas Discogram Description [20]. After removal, tissue representing different disc regions was immediately frozen in liquid nitrogen in the operating theatre.…”

Section: Methodsmentioning

confidence: 99%

Growth factor expression in degenerated intervertebral disc tissue

et al. 2005

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“…Most of the nerve supply of the intervertebral disc is limited to periphery of the annulus fibrosus (12 -14). Hence, the annular tear extending to the inner third of the annulus fibrosus are asymptomatic while tear extending to peripheral third produces pain (15). Biomechanical mediators and pro-inflammatory cytokines are more important than mechanical compression in the pathogenesis of pain production (16).…”

Section: Hiz Was First Identified As a Pain Indicator In 1992 (1) Vamentioning

confidence: 99%

High intensity zone in lumbar spine and its correlation with disc degeneration

et al. 2017

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: Purpose ; To investigate the prevalence, clinical significance of high intensity zone (HIZ), and associated disc degeneration. Materials and methods ; We undertook retrospective analysis of 228 patients, aged from 15 to 55 years, who had undergone magnetic resonance (MR) imaging of lumbar spine in outpatient clinic from 2013 to 2014. HIZ was defined as a presence of high intensity signal in the annulus on T2-weighted images. All HIZ positive discs were classified according to Pfirrmann grading system for presence of disc degeneration. Results ; Forty-three patients (18.8% %) with 53 intervertebral discs demonstrated HIZ. There was no significant predominance about age and gender for the presence of HIZ. HIZ occurred mainly at L4-5 (43.3% %) and L5-S1 (30.2% %) levels, infrequently at L3-4 (17% %) and rarely at upper levels. The prevalence of disc degenerations with Pfirrmann grade 3, 4, and 5 were significantly higher in HIZ positive patients than in randomly selected 35 HIZ negative patients (64% % vs. 46% %, respectively). Conclusion ; In this study we identified that the presence of HIZ was directly proportional to increased incidence of disc degeneration in remaining lumbar discs. The prevalence of significant degeneration was significantly higher in HIZ positive patient at lower three lumbar levels.

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Dallas Discogram Description A New Classification of CT/Discography in Low-back Disorders

Cited by 299 publications

References 0 publications

The pathogenesis and clinical significance of a high-intensity zone (HIZ) of lumbar intervertebral disc on MR imaging in the patient with discogenic low back pain

The pathogenesis and clinical significance of a high-intensity zone (HIZ) of lumbar intervertebral disc on MR imaging in the patient with discogenic low back pain

Growth factor expression in degenerated intervertebral disc tissue

High intensity zone in lumbar spine and its correlation with disc degeneration

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