What does "Subtle contact of the exiting left L4 nerve root" 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.
"Subtle contact of the exiting left L4 nerve root" refers to a slight touch or interaction between a part of the spine and a nerve. The L4 nerve root is a nerve that comes out from the lower part of the spine on the left side. When something, like a disc or bone spur, slightly touches or presses on this nerve, it is referred to as "subtle contact".
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