Submitted bony fragments show dense infiltration by neutrophils, lymphocytes, plasma cells, and macrophages with related capillary proliferation. No evidence of specific granulomas. No evidence of malignancy.
Displaced, comminuted right femoral neck fracture and MRI findings highly suggestive of acute osteomyelitis involving the proximal femur, likely occurring on a background of prior chronic bone and joint infections.
Bone fragments collectively measured 1.3x1x0.7cm, totally embedded.