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• Clinical Article •
Deltoid contracture in children: the characteristic analysis of 3.0 T high field strength MRI
LIU Jia-ni  LI Qi  PAN Shi-nong  LI Sen  YU Tao  LUO Ya-hong 

DOI:10.3969/j.issn.1674-8034.2015.06.008.


[Abstract] Objective: To study the 3.0 T MRI characteristic features of deltoid contracture in children.Materials and Methods: The study comprised 18 children with deltoid contracture. All children were performed with X-ray and 3.0 T MRI. MR routine scanning sequences were T1WI, T2WI, T2WI with fat suppression sequence, and axial fast gradient echo (GRE) T2WI sequence. CT scan was conducted in 9 children.Results: MR T1WI and T2WI showed that involved deltoid became thin and atrophic in different degree, and the inner muscular clearance became broad in 18 cases. GRE-T2WI showed that out above humerus head there had low signal fiber band along to the outside of the deltoid contracture in 16 cases, and adjacent subcutaneous fat focal thickening to fill in the surface of band. Pathological results showed, in MR GRE-T2WI, contracture fibrous bands were dense fibrous connective tissue, hyaline degeneration, the striated muscle to atrophy or disappear, and showed adipose tissue to fill between muscle tissue; Coincidence rate of MR GRE-T2WI manifestation and pathology results was 88.9%.Conclusion: 3.0 T MRI can directly show exactly contracture deltoid and hyperplasia fibrous bands structure, and then determine a clear diagnosis.
[Keywords] Child；Deltoid；Contracture；Magnetic resonance imaging

LIU Jia-ni Department of medical imaging, Liaoning Cancer Hospital & Institute, Shenyang 110042, China

LI Qi Department of medical imaging, Liaoning Electric Power Central Hospital, Shenyang 110003, China

PAN Shi-nong Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, China

LI Sen Department of medical imaging, Liaoning Cancer Hospital & Institute, Shenyang 110042, China

YU Tao Department of medical imaging, Liaoning Cancer Hospital & Institute, Shenyang 110042, China

LUO Ya-hong* Department of medical imaging, Liaoning Cancer Hospital & Institute, Shenyang 110042, China

*Correspondence to: Luo YH, E-mail: luoyahong8888@hotmail.com

Conflicts of interest   None.

Received  2015-03-28
Accepted  2015-04-28
DOI: 10.3969/j.issn.1674-8034.2015.06.008
DOI:10.3969/j.issn.1674-8034.2015.06.008.

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