Table 2 Procedures, pathological findings, medical treatment, and clinical outcomes.
No. | Operation | Pathologic finding | Culture/AFS | Caseous necrosis | Tissue MTB PCR | Medication/total duration | Clinical outcome |
---|---|---|---|---|---|---|---|
1 | Debridement | Bony tissue with acute and chronic inflammatory cell infiltration, bone necrosis, and necrotizing granulomatous reaction | +/− | + | + | HR/12 m (ongoing) | Good |
2 | Debridement | Suppurative granulomatous inflammation | +/+ | + | + | HR/10 m | Good |
3 | Debridement & arthroscopy with synovectomy | Chronic granulomatous inflammation composed of epithelioid cells aggregation | −/− | − | + | HR/12 m | Good |
4 | Debridement | Granulomatous inflammation with neutrophil infiltration | +/+ | − | + | HRZ/1 m HR/12 m | Good |