Avascular necrosis in sickle cell disease can occur due to the impairment of blood supply to the bones, writes columnist.

The arthroscopic examination includes an assessment of the congruity of the femoral head from both portals ... decision making in "middle grade" avascular necrosis of the hip.

In the future, contrast MRI scans may be able to show this ballotable fragment of articular cartilage and obviate the need for direct visualization of the femoral head. This information would ...

MRI scans, CT scans ... necrosis in some cases. Avascular necrosis associated with radiation therapy is most commonly seen in ...