Abstract: The authors retrospectively analysed 67(63 in cervical cord)cases of traumatic SCIWOAR with positive MR abnormalities. It was deduced that the cases of SCIWOAR might be related with (1)those traumatic forces resulting in SCI being not so heavy and severe, (2)the cases orignally with cervical spondylopathy,(3)the limitation of the conventional X-ray examination for SCI,and (4)the cases of children relativly rare in our country and hospital.The ALL hematomas are the pathognomonic signs in the case of the acute cervical SCI within one week.The analysis demonstrated that MR investigation of the traumatic spine could give the clinical activities the correct diagnosis of different degree of SCI and dependable reference.

Key words: MRI, SCI, SCIWORA, ALL hematoma.