40 year-old male with large left retroperitoneal mass per history discussed with Dr. Rogan additional or new catheter proof of current tumor is required prior to additional therapy. History of resection with this tumor representing either incomplete resectional possible recurrence. Written informed consent was obtained. Patient was prepped and draped in sterile fashion. Skin was anesthetized with lidocaine. A posterior approach was used to avoid bowel. Using coaxial technique two 18G core samples were obtained from the central portion of the mass just above iliac crest. Samples were placed in both in formalin and submitted for pathologic analysis.Procedure was complicated by shooting pain down the leg and groin during the biopsy which slowly subsided following the procedure. The patient was discharged to the floor in good condition with some mild persistent discomfort.
Two 18-gauge core biopsies left retroperitoneal mass with CT guidance.