What does "Encroachment on the descending bilateral L4 nerve roots" 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.
"Encroachment on the descending bilateral L4 nerve roots" refers to a situation where something is pressing or intruding on the nerves that are coming out from both sides of the fourth lumbar vertebra in the lower back. This could be due to various reasons such as a bulging disc or overgrowth of surrounding tissues. This pressure or intrusion can potentially interfere with the normal functioning of these nerves.
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