A chronic, progressive and degenerative disease of one or more joints, characterized by swelling, instability of the joint, hemorrhage, heat, and atrophic and hypertrophic changes in the bone. It is also known as neurogenic arthropathy.

This disease is the result of a neurologic disorder, diabetic neuropathy, leprosy, congenital absence or the depression of pain sensation. In some cases, early recognition of this disease and prophylactic protection of the joint may prevent further damage....