Disc Protrusion is a generic term for a disc disorder that sticks out past the margin of the vertebral endplates and encompasses both disc herniation and bulging.  This term is best used when the data from the imaging studies is insufficient to discriminate between a herniated and bulging disc. Historically, when MRI was called NMR (nuclear magnetic resonance), almost 2 decades ago, the term protrusion was used exclusively.  This was …Read More