Presentation
Known case of systemic lupus erythematosus, on treatment, presented with ankle pain.
Patient Data
Age: 40 years
Gender: Female
From the case:
Bone infarction
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There are irregular serpiginous lines in medulla of distal tibia, fibula and posterior calcaneus. These lines appear hyperintense in T1 fat sat images in parallel with the hypointense thin lines within the marrow, suggestive of bone infarction.
Also noted, hyperintensity in talus bone, suggestive of edema, and small osteochondral defect in medial aspect of talus dome, denoting osteochondritis dissecans.
Case Discussion
Medullary bone infarction is a complication of long term steroid therapy in SLE patients.