"Note: A number of definitions of what exactly constitutes a disc protrusion have been proposed/used over the years, and it is important to realise that these differ substantially from one another 1-4. At the time of writing (June 2020) the most widely used terminology was those proposed in 2014 by Fardon et al., and represents a consensus of the North American Spine Society, the American Society of Spine Radiology, and the American Society of Neuroradiology 4."
"Additionally, the terms contained (outer annulus fibrosus laminae are intact) and non-contained (all laminae are deficient) are also sometimes used 4."
"Additionally, the terms contained (outer annulus fibrosus laminae are intact) and non-contained (all laminae are deficient) are also sometimes used 4."
"Note: A number of definitions of what exactly constitutes a disc protrusion have been proposed/used over the years, and it is important to realise that these differ substantially from one another 1-4. At the time of writing (June 2020) the most widely used terminology was those proposed in 2014 by Fardon et al., and represents a consensus of the North American Spine Society, the American Society of Spine Radiology, and the American Society of Neuroradiology 4."