How to read a lumbar CT scan

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Overview

Brightness depends on density, with higher bone density appearing the brightest, and gases with lower density appearing the darkest.

Lumbar Spine CT

Overview — On-Site Insight: Lumbar Disc Herniation CT Imaging Features ‘Nanny-Level’ Interpretation UP: Schrödinger’s Cat and Dog

Common Manifestations

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• Lumbar disc bulge, protrusion, extrusion
• Disc vacuum phenomenon
• Annulus fibrosus calcification
• Lumbar instability
• Osteophyte formation on vertebral bodies
• Facet joint hyperplasia, dislocation, vacuum phenomenon
• Spinal canal stenosis