I am suffering from pain in thigh, the doctos has diagonosed it as reffered back pain, i was suggested MRI, which shows intervertebral disc shows desication at l3-l4, l4-l5 and l5-s1 and posterior disc protrusion seen at l2-l3, l3-l4 and l4-l5 levels causing grade I thecal sac compression besides MRI also shows Schmorl s nodes seen at l2, l3 and l4 levels.