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C2 nerve root on magnetic resonance imaging of occipital neuralgia.

Cited 5 time in Web of Science Cited 5 time in Scopus
Authors
Yi, Minkyung; Lee, Joon Woo; Yeom, Jin S.; Joe, Eugene; Lee, Guen Young; Kang, Heung Sik; Hong, Sung Hwan
Issue Date
2014-06
Publisher
Lippincott, Williams & Wilkins
Citation
Spine, Vol.39 No.13, pp. 1077-1083
Keywords
의약학cervicogenic headacheoccipital neuralgiacervical spinemagnetic resonance imagingC1–C2 neural foramen
Abstract
STUDY DESIGN: Review and grade the morphology of the C1-C2 neural foramina, from the MR images of patients who underwent C1-C2 spinal surgery, and determine the relationship with ON.OBJECTIVE: To evaluate the feasibility of MRI for C1-C2 neural foramen evaluation with a new grading system and to correlate the C1-C2 neural foramen grade with ON.SUMMARY OF BACKGROUND DATA: There have been no MRI studies of patients with and without ON in relation to C2 nerve root ganglion findings.METHODS: Among the registry of 124 patients who underwent C1-C2 spinal surgery between July 2004 and May 2012 in Seoul National University Bundang Hospital, we enrolled 101 patients who had information about ON and a relevant preoperative cervical spine MR image. A total of 202 neural foramina were evaluated with our new C1-C2 neural foramen grading system (grade, 0-3) using consensus reading by 2 experienced radiologists who were blinded to the clinical information. The relationship between the C1-C2 grading system and ON was assessed using a χ test and Fisher exact test. Inter- and intraobserver reliability agreement was assessed using the κ statistic.RESULTS: All C1-C2 neural foramina were delineated on T2 parasagittal images. Among 202 C1-C2 neural foramina, grade zero was found in 49 foramina (24.3%), grade 1 in 95 (47.0%), grade 2 in 30 (14.9%), and grade 3 in 28 (13.9%). Grade 1 stenosis was most frequently noted. The grade 2 group had the most frequent prevalence of ON (43.3%), followed by grade 3 (35.7%), grade zero (30.6%), and grade 1 (29.5%). However, the relationship between the grade and ON was not statistically significant. Inter- and intraobserver agreements were substantially high.CONCLUSION: C1-C2 neural foramina can be depicted on MR image. However, the relationship between the new grading system for C1-C2 neural foramina and ON was not statistically significant.Level of Evidence: 4.
ISSN
0362-2436
Language
English
URI
https://hdl.handle.net/10371/92399
DOI
https://doi.org/10.1097/BRS.0000000000000345
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College of Medicine/School of Medicine (의과대학/대학원)Orthopedic Surgery (정형외과학전공)Journal Papers (저널논문_정형외과학전공)
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