Fig. 8From: A practical guide for planning pelvic bone percutaneous interventions (biopsy, tumour ablation and cementoplasty)A 59-year-old man presenting with unilateral sacroiliitis, negative blood cultures and negative sacroiliac joint fluid aspiration. Axial CT shows the 11-G bone biopsy needle through the sacroiliac joint. This approach was planned to allow sampling of both the joint space and subchondral bone “sandwich technique” and increase biopsy yieldBack to article page