Fig. 17From: A practical guide for planning pelvic bone percutaneous interventions (biopsy, tumour ablation and cementoplasty)An 80-year-old woman with clinical background of clear cell renal carcinoma presenting with a new lytic lesion at the ischial spine. A posterior approach, medial to the sciatic nerve, was used to perform biopsy with a coaxial 16-G cutting needle, which confirmed clear cell renal carcinoma metastasisBack to article page