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Definition and method [ edit ] It is defined as the greatest angle at a particular region of the vertebral column, when measured from the superior endplate of a superior vertebra to the inferior endplate of an inferior vertebra. [ 1 ]
Modic changes are pathological changes in the bones of the spine, the vertebrae. These changes are situated in both the body of the vertebrae and in the end plate of the neighboring disc. Clinically, Modic Changes are often associated with constant lower back pain during the day, with peak pain occurring during the night and in the morning ...
The endplates are formed from a thickened layer of the cancellous bone of the vertebral body, the top layer being more dense. The endplates function to contain the adjacent discs, to evenly spread the applied loads, and to provide anchorage for the collagen fibers of the disc.
[1] [2] The anterior erosion in particular causes a loss of anterior vertebral body concavity, causing the vertebra to display a squared contour or even a barrel-shape. [1] Healing of the erosion results in a sclerotic increase in density causing what is known as a shiny corner sign, [1] [3] which can later result in syndesmophyte formation. [4]
This page was last edited on 3 March 2017, at 11:24 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
A large and less typical Schmorl's node (arrowhead) is observed at the superior endplate of L4. [3] Schmorl's nodes can be detected with X-rays, although they can be imaged better by CT or MRI. They are considered to be vertical disc herniations through the cartilaginous vertebral body endplates. Schmorl's nodes can sometimes be seen ...
The number of vertebrae in a region can vary but overall the number remains the same. In a human spinal column, there are normally 33 vertebrae. [3] The upper 24 pre-sacral vertebrae are articulating and separated from each other by intervertebral discs, and the lower nine are fused in adults, five in the sacrum and four in the coccyx, or tailbone.
Sandwich vertebral body is a radiologic sign where the endplates of the vertebra are sclerotic, giving it the appearance of a sandwich. [ 1 ] [ 2 ] This sign is seen in osteopetrosis , particularly in the autosomal dominant variety.