What does "Focal central disc protrusion" 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.
"Focal 3 mm central disc protrusion" refers to a specific area in the spine where the soft, jelly-like center of a spinal disc is bulging outwards. This bulge is located in the middle part of the disc. The term "focal" indicates that this bulging is happening at a specific, localized spot on the disc, rather than all over it.
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