History A list of downloadable documents created during development. Other information IPG223 Therapeutic percutaneous image guided aspiration of spinal cysts: understanding NICE guidance (MS word format) MSWord 401 KB 27 June 2007 IPG223 Therapeutic percutaneous image guided aspiration of spinal cysts: comments table PDF 16 KB 27 June 2007 Therapeutic percutaneous image-guided aspiration of spinal cysts (interventional procedures consultation) information Therapeutic percutaneous image-guided aspiration of spinal cysts (interventional procedures overview) PDF 100 KB 27 February 2007