This was first used for AVN in 1983 One Requires T1 and T2 axial and coronal views. Both sides should be done as the opposite side may be involved asymptomatically, and also for comparison. Radionuclide Imaging - Technetium 99m scan. At the center of the uptake specific area there may be an area of reduced uptake. Both sides should be done as the opposite side may be involved asymptomatically, and also for comparison.
All diagnostic tests are normal.
Biopsy from histology - is the only abnormality. Theoretical stage only Not a clinical problem. Symptoms may or may not be present. Core - decompression possible. With linear sclerosis or cysts.