Posibleng Mga Sanhi para sa Di-normal na X-Ray ng Gulugod Lumbar Disk Herniation Osteoarthritis Osteoporosis Osteoarthritis sa Matris Cervical Spondylosis Lumbar Spondylosis Spinal Metastasis Lumbar Osteoarthritis Ankylosing Spondylitis Reiter's Syndrome Spina Bifida Systemic Mastocytosis Hypophosphatasia