Is Thecal Sac Indentation Serious? Everything You Need to Know
WebJun 7, 2023 · The thecal sac is a protective membrane that encloses the spinal cord and cerebrospinal fluid. It acts as a barrier, safeguarding the delicate spinal cord. Thecal sac indentation occurs when external factors, such as a herniated disc or spinal stenosis, exert pressure on the sac, causing it to become compressed.
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