STUDY ON THE MAGNETIC RESONANCE IMAGES IN DIAGNOSIS OF LUMBAR DISC HERNIATION Study on the magnetic resonance images in 86 patients suffering from lumbar disc herniation, surgical treated at Binh Dinh General Hospital from January 2010 to August 2013 showed that: - The most common cases are disc herniation at L4L5 (56, 97%), followed by L5S1 (39, 54%), L2L3 and L3L4 (3, 49%) - The morphology of common disc herniation is lateral disc herniation (66, 28%).