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Text
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URL Address
<a href="http://doi.org/10.1097/00002517-199306050-00010" target="_blank" rel="noreferrer noopener">http://doi.org/10.1097/00002517-199306050-00010</a>
Pages
427–431
Issue
5
Volume
6
Dublin Core
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Title
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Thermography as a diagnostic aid in sciatica.
Publisher
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Journal of spinal disorders
Date
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1993
1993-10
Subject
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*Lumbar Vertebrae; *Sacrum; *Thermography; Adult; Female; Humans; Intervertebral Disc Displacement/*complications; Male; Middle Aged; Observer Variation; Random Allocation; Rupture; Sciatica/*diagnosis/etiology; Sensitivity and Specificity; Single-Blind Method; Spontaneous
Creator
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McCulloch J; Frymoyer J; Steurer P; Riaz G; Hurst F
Description
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Thermography has been proposed as a diagnostic aid in patients with sciatica. Supporters of thermography state that: (a) normal patients have normal thermograms of their lower extremities, and (b) abnormal patients (with disk ruptures causing sciatica) have abnormal thermograms. To test these two hypotheses, 56 patients with clinically documented acute sciatica, with a supporting diagnostic study [computed tomography (CT), CT/myelography, and/or magnetic resonance imaging] showing a ruptured disk, had presurgical thermograms. One year after surgical intervention, they had to have had a documented success to surgical treatment intervention to stay in the study. These 56 patients were then matched with 56 control (normal) patients who had electronic thermograms. The 112 thermograms were then interpreted blindly by two thermographers. The sensitivity and specificity of thermography as a diagnostic aid in sciatica were statistically analyzed. The sensitivity of thermography (its ability to be positive when sciatica was clinically obvious) was 60% and 50% for the two thermographic readers. The specificity of thermography (its ability to be negative in asymptomatic patients) was 45% and 48% for the two thermographers. Our conclusions are no different than those published in 1985: thermography is not useful as a diagnostic aid in sciatica.
Identifier
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<a href="http://doi.org/10.1097/00002517-199306050-00010" target="_blank" rel="noreferrer noopener">10.1097/00002517-199306050-00010</a>
Rights
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Lumbar Vertebrae
*Sacrum
*Thermography
1993
Adult
Female
Frymoyer J
Humans
Hurst F
Intervertebral Disc Displacement/*complications
Journal of spinal disorders
Male
McCulloch J
Middle Aged
Observer Variation
Random Allocation
Riaz G
Rupture
Sciatica/*diagnosis/etiology
Sensitivity and Specificity
Single-Blind Method
Spontaneous
Steurer P