Thank you for a very well presented procedure and images. Believe it or not, where I’m working now, we have no fluoro. We have CT and US. Have done these in the past going just under the inferior rim of the coccyx with fluoro as was suggested in another comment. Will give it a go with CT as I feel going through the ligament, as you suggest, is probably more controlled and possibly better tolerated. I wouldn’t feel comfortable using US to get the ganglion as the bone would block visualization. If I just wanted a joint injection at the sc joint, then I could use US… Also, a short block scan of the coccyx region with ct will give me a lot of information about other things that may be going on such as Tarlov cysts, mets, etc.