Narrowing of the thecal sac

What does "Narrowing of the thecal sac" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

"Narrowing of the thecal sac" refers to a condition where the protective membrane around the spinal cord, known as the thecal sac, becomes smaller or tighter. This can happen due to various reasons such as aging, injury, or disease. This condition can potentially cause discomfort or pain because it may put pressure on the spinal cord or the nerves that come out from it.

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