Thoraco-Lumbar Discs

Last modified by Hussein Abdallah on 2025/05/26 16:32

FACTS

Punchline

Key principle: Disc Herniation Types and Traversing vs. Exiting Nerve Roots

 

Herniation TypeNerve Roots ImpactedExample 
Central / Paracentratraversing nerve root (nerve roots below)L4-5 disc affects L5/S1 nerve root 
Far Lateral / Foraminal exiting nerve root
(nerve root at that level)
L4-5 disc affects affects only L4 nerve root 

herniated%20disk_moved.jpg

CONSULT

HPI 

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FOCUSED EXAM

 

IMG 

 

A/P

- note 1

[ ] box 1

Notes

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Figure 1: Sea