Chinese Journal of Tissue Engineering Research ›› 2011, Vol. 15 ›› Issue (30): 5591-5595.doi: 10.3969/j.issn.1673-8225.2011.30.020

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Low-field MRI is preferred in the diagnosis of occult traumatic fracture of the knee

Liu Jing-jing1, Wang Wei2, Zhang Li2   

  1. 1Department of Radiology, 2Department of Orthopedics, Jinzhou Central Hospital, the Fifth Clinical College of Liaoning Medical University, Jinzhou  121000, Liaoning Province, China
  • Received:2011-04-12 Revised:2011-06-09 Online:2011-07-23 Published:2011-07-23
  • Contact: Wang Wei, Professor, Doctoral supervisor, Department of Orthopedics, Jinzhou Central Hospital, the Fifth Clinical College of Liaoning Medical University, Jinzhou 121000, Liaoning Province, China weiwang_ly@yahoo.com.cn
  • About author:Liu Jing-jing★, Master, Department of Radiology, Jinzhou Central Hospital, the Fifth Clinical College of Liaoning Medical University, Jinzhou 121000, Liaoning Province, China Xiaoxuyang1234@163.com

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Abstract:

BACKGROUND: MRI examination can be applied to the early diagnosis of occult fracture. Except for the characteristics of conventional MRI, low-field MRI has other advantages, such as a proprietary coil to make image clearer.
OBJECTIVE: To explore the value of low-field MRI for the diagnosis of occult traumatic fracture of the knee.
METHODS: Forty-five patients with occult traumatic fracture of the knee confirmed by using surgery, arthroscopy or clinical examination were examined by MRI.
RESULTS AND CONCLUSION: MR sequences included SE T1WI, GRE T2WI and STIR. The location, range, and morphology of fractures were analyzed. Thirty-four fractures in 45 cases were showed by MRI. Low-field MRI can sensitively display the characteristics and severity of occult traumatic fracture of the knee. Low-field MRI is accurate in diagnosis, and can find injuries of knee ligament, tendon, and cartilage.

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