Presentation
Chronic pain and low grade fever.
Patient Data
Multiple lytic epiphyseal lesions with T1-weighted low signal intensity and high T2 signal intensity, associated with an inner ring with high signal intensity on T1-WI and low T2-WI signal with an outer ring of fibrotic reaction with low signal intensity on T1 and T2 (penumbra sign) in distal femoral and proximal tibial epiphyses and proximal tibial metaphysis. Adjacent soft-tissue edema and Hoffa fat pad high signal intensity on STIR sequence is noted too.
Case Discussion
Brodie abscess as a complication of subacute osteomyelitis in a child with a history of trauma and chronic pain. Brodie abscesses are more common in the younger age group with unfused epiphyseal plates, affecting males more commonly.
Case courtesy of Prof. Ahmad Alizadeh.
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