Fragments of extensively ulcerated synovial lining with dense infiltration by neutrophils, lymphocytes, plasma cells and macrophages with vascular endothelial proliferation and macrophages. No evidence of specific granulomas. No evidence of atypia or malignancy.
Neglected right elbow septic arthritis
Soft tissue fragments collectivelly measuring 3.5x3x1 cm, totally embedded.
Rt. Elbow joint lesion, excision biopsy: