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Journal of Morphology and Anatomy

ISSN: 2684-4265

Open Access

John B Westfall

College of Osteopathic Medicine, Michigan State University, East Lansing, USA

Publications
  • Research Article   
    CT Classification of Vacuum Phenomenon Morphology and its Utility in Predicting Lumbar Vertebral Instability
    Author(s): Noah Kelm*, Jennifer Hella, John B Westfall, Eric T Ballard and Macksood A Aftab

    Background: Lumbar vacuum phenomenon (VP) within the intervertebral disc has been classified based on CT imaging. We compared same-patient sagittal CT images and dynamic flexion-extension x-rays to determine if there is a difference in the amount of vertebral instability present between three VP morphologies on CT. Methods: Anterior subluxation measurements on x-ray were compared with same-segment VP on CT images from the same patient when both findings were present. VP were classified as spot, island, or linear. It was determined if there was a difference in the amount of anterior subluxation between the three morphologies. Secondary analysis looked at whether there was a difference in anterior subluxation between the three groups if patients had undergone a prior lumbar fusion surgery or not. Results: There was no di.. Read More»

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