OverviewOsteoporosis causes bones to become weak and brittle — so brittle that a fall or even mild stresses such as bending over or coughing can cause a fracture. Osteoporosis-related fractures most commonly occur in the hip, wrist or spine.Bone i

Upper Extremity Limb Length DiscrepancyAn upper extremity limb length discrepancy is a difference in the lengths of the arms. A discrepancy can be present when a child is born (congenital) or develop when a child is older as the result of injury, i

Kienböck's DiseaseKienböck's disease is a condition where the blood supply to one of the small bones in the wrist, the lunate, is interrupted. The lunate is a carpal bone.Bone is living tissue that requires a regular supply of blood for nourishme

Unicameral Bone CystsA unicameral, or simple, bone cyst is a common, benign (noncancerous) bone tumor that primarily occurs in children and adolescents.Unicameral bone cysts (UBC) are cavities within bone that are filled with fluid. Although they

BunionsA bunion is a painful bony bump that develops on the inside of the foot at the big toe joint. Bunions are often referred to as hallux valgus.Bunions develop slowly. Pressure on the big toe joint causes the big toe to lean toward the second

Tarsal CoalitionA tarsal coalition is an abnormal connection of two or more bones in the foot. The bones affected — called tarsal bones — are located toward the back of the foot and in the heel, and the connection of the bones can result in a sever

Diabetic (Charcot) FootDiabetes is a condition of elevated blood sugar that affects about 6 percent of the population in the United States, or about 16 million people. Diabetic foot problems are a major health concern and are a common cause of hosp

Synovial ChondromatosisSynovial chondromatosis (also called synovial osteochondromatosis) is a rare, benign (noncancerous) condition that involves the synovium, which is the thin layer of tissue that lines the joints. Synovial chondromatosis can ar