Fig. 2From: Surgical interventions for Bertolotti’s syndrome: case report and review of unsatisfactory cases in the literatureA Under fluoroscopy, a guide pin (arrowhead) was used to locate the pseudoarticulation. Centered on the guide pin, serial tubal dilators were inserted through the guide pin to enlarge the working port (red-dotted circle). B A schematic diagram showing the bone CUSA procedure for the neuroforaminal decompression, articulation dissection, and removal of the involved osteophytes. C Three-dimensional computed tomography scan demonstrating the post-operative lumbosacral transitional vertebrae articulation separation (arrow)Back to article page