A pressure ulcer is an area of skin that breaks down when constant pressure is placed against the skin.
Bedsore; Decubitus ulcer
Pressure against the skin reduces blood supply to that area, and the affected tissue dies. This may happen when you stay in one position for too long without shifting your weight. You might get a pressure ulcer if you use a wheelchair or are confined to a bed, even for a...Read more
Osteonecrosis of the hip, a condition in which the bone tissue in the hip dies, affects mainly young, active patients. Its origin is unknown, making... Read more »