<unk>  following a fall is likely to be a pathological fracture. The most common causes of weakness in bone are: * Osteoporosis. * Other metabolic bone diseases such as Paget's disease, osteomalacia, osteopetrosis and osteogenesis imperfecta. Stress fractures may occur in the<unk>  region with metabolic bone disease. * Elevated levels of homocysteine, a toxic 'natural' amino acid. * Benign or malignant primary bone tumors are rare causes of<unk> s. * Metastatic cancer deposits in the proximal femur may weaken the bone and cause a pathological<unk> . * Infection in the bone is a rare cause of<unk> . * Tobacco smoking (associated with osteoporosis).
Hip fracture
Osteoarthritis
Bosworth fracture
Greater trochanteric pain syndrome
Hume fracture
Hernia
Holdsworth fracture
Avascular necrosis