“…Epiphyseal infarction has a predilection for the head of the femur (avascular necrosis), followed by the humorous, knee, and the small joints of the hands and feet (Jean-Baptiste and De Ceulaer, 2000;Lonergan et al, 2001). A significant number of HbSS patient develop epiphyseal osteonecrosis (Styles and Vichinsky, 1996;Ware et al, 1991), bone infection (Almeida and Roberts, 2005;Neonato et al, 2000), and transient red cell aplasia (abnormal decrease of reticulocytes) (Goldstein et al, 1987;Serjeant et al, 2001). …”