Osteomyelitis, septic arthritis and disc-space infection; bone tumours and tumour-like conditions - primary tumours, metastic tumours; arthritides - degenerative arthritis (osteoarthritis), inflammatory arthritis, neuropathis arthritis, arthropathies associated with systemic conditions; osteopenia - osteoporosis, osteomalacia, hyperparathyroidism, Paget's disease, acromegaly; osteonecrosis; miscellaneous orthopaedic conditions - clubfoot, congenital dislocation (or dysplasia) of the hip, spondylolisthesis and spondylolysis.