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Chapter 75 

Chapter 75
Chapter:
Chapter 75
Author(s):

Brandon C. Perry

and Kathleen R. Fink

DOI:
10.1093/med/9780199393947.003.0075
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date: 21 October 2020

Limbus vertebra is a common incidental finding in adults. It is thought to be due to remote injury in the skeletally immature spine, in which a portion of the nucleus pulposus herniates underneath the unfused ring apophysis. This apophysis fragment remains separated from the vertebral body, developing into a well-corticated, triangular osseous fragment. This fragment is usually located in the anteriosuperior corner of a mid-lumbar vertebral body, though limbus can occur elsewhere in the spine. Rarely, it can affect the inferior or posterior vertebral body margin.

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