Abstract
More than 50% of the world's cases of sickle cell anaemia are in India with an estimated population of 1.27 billion as against estimated world's population of 7.24 billion. MRI of 103 patients of sickle cell disease were evaluated to assess the skeletal changes in proven cases of sickle cell disease and to find the incidence of bony infarcts in such patients. The conversion of red marrow to yellow marrow in these patients were also studied. Sickle cell patients with musculoskeletal pain as well as asymptomatic sickle cell patients were evaluated by MRI. The standard sequences used wereT1WI, T2WI, STIR, T1WI + Gd Contrast. Persistent Red marrow was seen in axial and appendicular skeleton (62 cases). Extramedullary haematopoiesis was found in 4 cases, avascular necrosis of femur head (32 cases) and bone infarcts (46 cases) were also observed in our study. Osteomyelitis, septic arthritis and tubercular infections were associated with sickle cell disease in our study. MRI is very sensitive in detecting early stages of avascular necrosis, red marrow persistence, extramedullary haematopoiesis, changes of arthritis, infections and joint effusion.
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