Chronic ostemyoelitis of the femur with long sinus tract

Case contributed by Michael P Hartung
Diagnosis almost certain

Presentation

Chronic draining wound of the femur.

Patient Data

Age: 15 years
Gender: Female

Sinus tract entering the distal lateral femoral metadiaphysis and ascending into the distal 1/3 of the diaphysis, making a blind-ending hairpin turn and associated with a posterior cortical defect and sequestrum at the turn. 

Sclerosis/irregularity of the cortex with periosteal reaction. Fluid/stranding associated with the soft tissues at the entrance of the sinus tract and in the anterior compartment. Reactive popliteal adenopathy. 

Case Discussion

Several classic findings of chronic osteomyelitis including a sinus tract, sequestrum, cortical sclerosis/irregularity with periosteal reaction, and surrounding soft tissue fluid. 

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