Fig. 7From: A practical guide for planning pelvic bone percutaneous interventions (biopsy, tumour ablation and cementoplasty)A 64-year-old woman presenting with a sacral lytic lesion extending into the first and second sacral foramina. A posterolateral approach through the S1 foramen was chosen to allow the use of a coaxial 16-G cutting needle. Biopsy proved it to be a poorly differentiated adenocarcinoma of upper gastrointestinal tract originBack to article page