9-year-old male with bilateral knee pain on chronic steroids, evaluate for AVN MENISCI AND LIGAMENTS: The menisci are intact. The ACL, PCL, MCL, and lateral collateral complex are intact.BONE AND MARROW: Diffuse demineralization of the bone is present consistent with osteoporosis, likely secondary to chronic steroids. In the proximal tibial diaphysis is a focal area of more severe osteoporosis with few trabecular present. This focal osteoporosis occupies a majority of the proximal tibial diaphysis. No evidence of avascular necrosis. No osteochondral defect is present. A focal area of increased intensity in the posterior proximal diaphysis of the tibia likely represents fluid within the bone marrow.SYNOVIUM: No significant joint effusion is present. The articular cartilage is intact.MUSCULATURE: Musculature moderately atrophic.ADDITIONAL
Diffuse demineralization with a focal area of more severe osteoporosis in the proximal tibial diaphysis without evidence of avascular necrosis or osteochondral defect.