Diagnosing Low Back Pain

Posted by e-Medical PPT
Low back pain is a common musculoskeletal disorder affecting 80% of people at some point in their lives.It can be either acute, subacute or chronic in duration. Lower back pain may be classified by the duration of symptoms as acute (less than 4 weeks), sub acute (4–12 weeks), chronic (more than 12 weeks).The majority of lower back pain stem from benign musculoskeletal problems, and are referred to as non specific low back pain; this type may be due to muscle or soft tissues sprain or strain,particularly in instances where pain arose suddenly during physical loading of the back, with the pain lateral to the spine. Over 99% of back pain instances fall within this category.The full differential diagnosis includes many other less common conditions.
    * Mechanical:
          o Osteoarthritis     
          o Degenerative discs
          o Scheuermann's kyphosis
          o Spinal disc herniation ("slipped disc")
          o Spinal stenosis
          o Spondylolisthesis and other congenital abnormalities
          o Fractures      
    * Inflammatory:
          o Seronegative spondylarthritides (e.g. ankylosing spondylitis)
          o Rheumatoid arthritis
          o Infection - epidural abscess or osteomyelitis
    * Neoplastic:
          o Bone tumors (primary or metastatic)
          o Intradural spinal tumors
    * Metabolic:
          o Osteoporotic fractures
          o Osteomalacia
    * Psychosomatic
          o Tension myositis syndrome
    * Paget's disease
    * Referred pain:
          o Pelvic/abdominal disease
          o Prostate Cancer       

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