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Spine
intermediate
X-Type

Far Lateral Disc Herniation

Lumbar Disc Disease

A 48-year-old man presents with severe left L4 radicular pain (anterior thigh) and quadriceps weakness following an L4/5 disc herniation. However, MRI shows the disc herniation is lateral to the foramen, not in the typical posterolateral position. His neurological examination reveals L4 dermatomal sensory loss and a weak knee extension. Standard discectomy approach is being questioned. Regarding far lateral (extraforaminal) disc herniation:

Mark each as TRUE or FALSE

A

Far lateral disc herniations occur lateral to the pedicle, in the extraforaminal zone; they account ...

B

Clinical presentation often includes more severe radicular pain than central herniations, with the p...

C

Far lateral herniations affect the traversing nerve root like standard herniations; they are more co...

D

Surgical approaches for far lateral disc herniation include: (1) lateral or paramedian transmuscular...

E

Surgical outcomes are generally good but may be slightly inferior to central disc surgery due to mor...

Answer the questions to see explanations

Click T (True) or F (False) for each option