19-year-old male with history of T cell lymphoma status post bone marrow transplant and right septic hip status post IR drainage. Now presents with knee pain. MENISCI AND LIGAMENTS: No significant abnormality noted.BONE AND MARROW: There are innumerable geographic lesions with serpentine boundaries that demonstrate hyperintense peripheral T2 signal and mild rim enhancement in the femur, tibia, and fibula of both knees. Findings are compatible with numerous bone infarcts. No bone marrow edema or enhancement in either knee to suggest infection.SYNOVIUM: No significant abnormality noted. No significant joint effusion in either knee.MUSCULATURE: No significant abnormality noted.ADDITIONAL
Numerous bone infarcts in both knees as described above without joint effusions or specific evidence of osteomyelitis.