 Following a discussion of the procedure with the patient and/or family, including its risks, benefits, alternatives and steps to prevent infection, informed written consent was obtained and documented in the patient's chart. The time-out form was completed to confirm patient identity and side/type of procedure. All operators present for the case performed standard preprocedural prep including hand washing, sterile gloves, mask and cap. The patient was prepped and draped in the usual aseptic fashion. Local anesthesia over the target area was obtained by 1% lidocaine. Localizing CT examination demonstrated the lucent lesion within the proximal femoral diaphysis with a central nidus corresponding to the findings seen on recent MRI examination. Using CT guidance, a 13 gauge OnControl core biopsy needle was advanced into the lesion. One 13-gauge core biopsy specimen was obtained and placed in formalin. Subsequently, a RFA trocar and probe were advanced into the lesion using CT guidance. Radiofrequency ablation was performed at 90 degrees centigrade for approximately 4 minutes. The RFA probe and trocar were removed.The core biopsy specimen was hand carried to the Surgical Pathology labThe patient tolerated the procedure well without immediate complication. Routine post procedure instructions were communicated to the patient and patient's mother.ESTIMATED BLOOD LOSS: Less than 5cc. Dermabond and a Tegaderm were placed on the patient's skin.
CT-guided core needle biopsy and radiofrequency ablation of a left femur lesion/osteoid osteoma.