JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES) ›› 2009, Vol. 47 ›› Issue (10): 126-129.

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Susceptibilityweighted imaging of diffuse axonal injury: a correlative
study of lesionnumber and Glasgow Score Scale

HAN Chengkun1,　SHI Hao2,　GUO Hongxia3,　ZHANG Yongxia1   

  1. 1. School of Medicine, Shandong University, Jinan 250012, China; 2. Shandong Institute of Medical Imaging Research, Jinan 250021, China; 3. Taishan Medical College, Taian 271000, Shandong, China
  • Received:2009-02-26 Online:2009-10-16 Published:2009-10-16

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Abstract:

To study the relationship between lesionnumber of diffuse axonal injury (DAI) in susceptibilityweighted imaging (SWI) and Glasgow Score Scale. MethodsThirty patients (21 males and 9 females) with DAI were included in this study. Routine sequences (T1WI, T2WI and FLAIR) and SWI were performed on 3.0 T MRI systems. The injuries were caused by traffic accidents in 22 cases, falls in 5 cases, beatings in 2 case and heavy weight in 1 case. There were 12 cases whose Glasgow Score Scale (GCS) ranged from 3 to 5 and 9 cases from 6 to 8 and 9 from 9 to 12. The time interval between injury and examination was 2 hours to 20 days. The number of lesions in SWI and GCS were analyzed using SPSS 11.5. ResultsRoutine MRI scan found a total of 78 lesions, while SWI sequence detected 424 lesions. The number of lesions found in SWI sequence was higher than that of conventional MRI (u=-10.235, P<0.01). The number of lesions were negatively correlated with GCS (r=-0.867, P<0.01). ConclusionSWI sequence can find more bleeding lesions than routine MRI sequence. The number of lesions was closely related to GCS. SWI shows a high value in diagnosis and prognosis of DAI.

Key words: Diffuse axonal injury; Magnetic resonance imaging; Glasgow score scale

CLC Number: 

  • R445.3
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