Presentation
Long-term corticosteroid therapy. Bilateral knee pain, and inability to walk.
Patient Data
There are irregular, serpiginous abnormal signal lines observed within the medullary space of the distal of the femur and proximal tibia and patellar bone. On PD images, there is a hyperintense line paralleling the inner surface of the hypointense line within the marrow.
There are irregular, serpiginous abnormal signal lines observed within the medullary space of the distal of the femur and proximal tibia and patellar bone. On PD images, there is a hyperintense line paralleling the inner surface of the hypointense line within the marrow.
Case Discussion
Medullary bone infarcts and avascular necrosis are common complications of aggressive or long-term steroid therapy.
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