Clinical features of a<unk>  depend on the type of<unk>  and which part of which bone is affected. Symptoms and signs usually result from the pressure effect of the<unk> . There may be a lump, with or without pain. Pain may increase with the growth of the<unk>  and may be worse at night and at rest. A<unk>  might present with an unexplained broken bone; with little or no trauma. Additional symptoms may include fatigue, fever, weight loss, anemia and nausea. If the<unk>  presses a nerve, neurological signs may be present. Sometimes there are no symptoms and the<unk> r is found when investigating another problem.
Bone tumor
Bone metastasis
Osteomyelitis
Osteoma
Endocrine bone disease
Spinal fracture
Osteopetrosis
Vertebral osteomyelitis