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Journal of the Korean Society of Traumatology 2004;17(2):189-196.
The Diagnostic Value of Magnetic Resonance Imaging in Cervical Injury
Yong In Kim, M.D., Ki Cheul Noh, M.D., Young Joon Kang, M.D., Yong Su Lim, M.D., Hyuk Jun Yang, M.D., Gun Lee, M.D., Wook Jin, M.D.*, Seong Youn Hwang, M.D.**
Department of Emergency Medicine, Diagnostic Radiology*
Ghil Medical Center, Gachon Medical School, Inchon, Korea, Department of Emergency Medicine, Masan Samsung Hospital, Sungkyunkwan University School of Medicine, Masan, Korea.**
경추부 손상에서 자기 공명 영상법의 진단적 유용성
김용인·노기철·강영준·임용수·양혁준·이근·진욱*·황성연* *
가천의과대학교 길병원 응급의학과, 영상의학과*
성균관대학교 의과대학 마산삼성병원 응급의학교실**
Background: Simple cervical X-rays often miss cervical spine injuries. Magnetic resonance imaging is valuable in these cases. The aims of this study is to determine high-risk factors of the cervical injuries, and to contribute to make indications of cervical MRI in evaluation of blunt trauma patients. Methods: We retrospectively reviewed the patients who visited our ED due to nuchal pain and examed by simple cervical X-ray and cervical MRI after blunt trauma. We analyzed the incidence of abnormal MRI findings in various patients groups. We also compared the incidence of missed cervical spine injury by level of injured spine. We thought cervical MRI to be goldstandard of this analysis. Results:The incidence of abnormality on cervical MRI is higher in male patients than female patients (p<0.01). Old (age.40) patients frequently shows abnormal cervical MRI findings than young patients (p<0.001). In patients who had neurologic abnormality, the incidence of abnormality on cervical MRI is higher than neurologically normal patients (p<0.001). But, mecha-nisms of injuries and associated injuries are not related to the incidence of abnormality on cervical MRI. Injuries of lower cervical spine (C7) are frequently missed than those of other cervical spines (p<0.01). Conclusion: When evaluate cervical injuries in male, old, and neurologically abnormal patients, we must consider cervical MRI although the simple cervical X-ray is normal. We must pay more attention to lower cervical spine injuries than other cervical spine injuries.
Key Words: Cervical injury; Magnetic resonance imaging


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