A member asked:

What does mild l4-l5 diffuse disc bulging with anterior thecal sac effacement mean?

3 doctors weighed in across 2 answers

Generally nothing: It means there are mild osteoarthritic changes in that area.

Answered 2/21/2021

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Disc bulge: It means that the disc is somewhat compressing the sac around the spinal canal. In some patients, this may cause neurologic deficit or be completely asymptomatic.

Answered 12/5/2020

4.6k views

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