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

Stress Fractures of the Foot and AnkleA stress fracture is a small crack in a bone, or severe bruising within a bone. Most stress fractures are caused by overuse and repetitive activity; they are common in runners and athletes who participate in ru

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

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

Fractures of the Thoracic and Lumbar SpineSpinal fractures can vary widely in severity. Some fractures are very serious injuries that result from high-energy trauma and require emergency treatment. Other fractures can be the result of a lower-impa

Infections After FractureMost fractures (broken bones) do not lead to infections. When infections do occur after fractures, the treatment and recovery can be prolonged and complicated.CauseInfections typically occur after fractures because bacte

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

Congenital Muscular Torticollis (Wry Neck)Congenital muscular torticollis, also called twisted neck or wry neck, is a condition in which an infant holds his or her head tilted to one side and has difficulty turning the head to the opposite side.I