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• Clinical Article •
Application of DWI and SWI muscle hematoma in lower limb clinical diagnosis
LI Shu-jin  ZHANG Hui  ZHANG Shao-wei  QIAN Li-xia  LIU Qi-wang 

DOI:10.3969/j.issn.1674-8034.2014.03.010.


[Abstract] Objective: To evaluate the diagnostic value of muscle hematoma in lower limb using the diffusion-weighted imaging (DWI) and susceptibility-weighted imaging (SWI).Materials and Methods: Retrospective analysis between June 2009 to June 2011 by surgery or biopsy and clinical follow-up confirmed the muscle hematoma MRI data of 15 case, all patients were performed with MRI conventional sequences, including T1WI, T2WI, DWI and SWI.Results: In MRI conventional sequences acute and subacute hematoma showed early was to go with muscle or muscle gap consistent long spindle-shaped, in T1WI as equal/high signal intensity, in T2WI showed equal or higher signa intensity. In DWI lesions showed low signal center, surrounded by high signal and SWI showed high signal-based, central was not irregular flakes low signal, visible in varying degrees around the ring of low signal. Late subacute or chronic hematoma was irregular round or fusiform, T1WI and T2WI showed high signal on the upper and lower showed low signal, and the formation of clear liquid fluid level, DWI and high signal SWI upper and lower showed low signal.Conclusions: DWI and SWI sequence can be compared with conventional MR sequences provide more information, as an important complement conventional sequence, can significantly reduce acute and subacute hematoma early misdiagnosis and missed diagnosis.
[Keywords] Hematoma；Lower extremity；Magnetic resonance imaging

LI Shu-jin Department of Radiology, the Changan Hospital of Dongguan City, Guangdong Province, Dongguan 523800, China

ZHANG Hui Department of Radiology, the First Hospital of Shanxi Medical University, Taiyuan 030001, China

ZHANG Shao-wei Department of Radiology, the Changan Hospital of Dongguan City, Guangdong Province, Dongguan 523800, China

QIAN Li-xia Department of Radiology, the First Hospital of Shanxi Medical University, Taiyuan 030001, China

LIU Qi-wang Department of Radiology, the First Hospital of Shanxi Medical University, Taiyuan 030001, China

Conflicts of interest   None.

Received  2014-01-17
Accepted  2014-03-26
DOI: 10.3969/j.issn.1674-8034.2014.03.010
DOI:10.3969/j.issn.1674-8034.2014.03.010.

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