title: A technical aid to performance of neurolytic lumbar sympathectomy.
abstract: The injection of ten ml of air into the retroperitoneal space outlines the anterior margin of the psoas muscle. This been found to be useful, using an Image Intensifier, for the accurate location of needle tips in the performance of neurolytic lumbar sympathectomy.
mesh_terms: D001340:Autonomic Nerve Block / Q000379:methods*; D006801:Humans; D007089:Image Enhancement; D008160:Lumbosacral Plexus / Q000000981:diagnostic imaging / Q000187:drug effects*; D008161:Lumbosacral Region / Q000000981:diagnostic imaging; D010636:Phenols / Q000008:administration & dosage*; D011859:Radiography; D012188:Retropneumoperitoneum; D013564:Sympathetic Nervous System / Q000187:drug effects*
chemical_list: D010636:Phenols