Thoracic Disk Herniation Incidence

Thoracic Disk Herniation Incidence


• Based on their segmental level, canal location, size,

imaging characteristics, and clinical presentation

• Symptomatic thoracic disks:

– Greater prevalence in the junctional segments than in the

rigid segments

– Often classified as cervical and/or upper lumbar disk


• Central and large disks (greater than 40% of canal


: Greater incidence of myelopathy and worse

functional outcomes


• Calcific changes to the disk and dural interface

noted on CT can predict a greater likelihood of

cerebrospinal fluid complications with


• Classification based on clinical presentation

– follows the spectrum of asymptomatic axial pain

syndromes provoked by rotation to radicular

syndromes and/or myelopathy

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