Abstract
Existing classification systems for spinal nerve root anomalies are numerous and substantially different from one another. Spinal nerve root abnormalities are known to be congenital deformities[1][1] and are perceived to be the result of incorrect migration of nerve fibers, causing structural and
Highlights
All the classifications describe similar processes (Figure)
(2020) classification update can be attributed to Haviarová et al.[8]
We propose a unified classification based on type of deformity and localization (Table)
Summary
All the classifications describe similar processes (Figure). we propose a unified classification based on type of deformity and localization (Table). In 1962, Cannon et al first identified the 3 most common variations of nerve root anomalies: conjoined Type I, anastomosed Type II, and transverse Type III.[1,2] In 1982, Postacchini et al classified common spinal nerve root abnormalities into 5 different variations.[3] In 1983, Neidre and MacNab expanded Cannon’s classification based on the angle and positioning of root emergence.[5] In 1984, Kadish and Simmons introduced a classification system based on anatomic and radiologic findings.[6] Chotigavanich and Sawangnatra provided a unified classification in 1992.7 The most recent (2020) classification update can be attributed to Haviarová et al.[8] All the classifications describe similar processes (Figure).
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
