Prevalence and Distribution of Incidental Thoracic Disc Herniation, and Thoracic Hypertrophied Ligamentum Flavum in Patients with Back or Leg Pain: A Magnetic Resonance Imaging-Based Cross-Sectional Study.

World Neurosurgery
Seok Han, Il-Tae Jang

Abstract

This study is aimed to comprehensively assess the prevalence and distribution of thoracic disc herniation (TDH) or thoracic hypertrophied ligamentum flavum causing stenosis (HLFS) by magnetic resonance image (MRI) in patients with back or leg pain. The study participants included 2212 patients who underwent MRI evaluation for back or leg pain. The prevalence and distribution of TDH or thoracic HLFS were assessed using lumbar MRI with cervicothoracic sagittal images. The presence of TDH or HLFS and the clinical parameters such as age, sex, lumbar surgical need, and thoracic operation were retrospectively reviewed. Logistic regression analysis of the data was followed. The prevalence rates of TDH and thoracic HLFS in all patients were 6.5% (145/2212) and 19.0% (421/2212), respectively. The prevalence of TDH was demonstrated as a relatively even distribution across age groups, higher in male participants (8.0%) than in female participants, and more frequent in patients with lumbar surgical lesions (8.2%) than without surgical lesions. Whereas, the prevalence of thoracic HLFS tended to increase with age, was higher in female participants (21.6%) than in male participants, and had no association with presence of lumbar surgical lesi...Continue Reading

Citations

Nov 25, 2021·British Journal of Neurosurgery·Aljeirou AlcachupasSimon Clark

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