Ultrasonographic diagnosis of pediatric post traumatic myositis ossificans

Xu Na; Xia Bei; Tao Hongwei; Gan Yungen; Liu Lei; Wang Juan; Liu Xiao; Shi Wei

doi:10.3877/cma.j.issn.1672-6448.2016.11.005

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• 小儿超声影像学 •

小儿外伤性骨化性肌炎的超声诊断

中华医学超声杂志（电子版）, 2016,13(11) : 821-825. DOI: 10.3877/cma.j.issn.1672-6448.2016.11.005

摘要

目的

探讨小儿外伤性骨化性肌炎（PTMO）早期和成熟期的超声影像表现及其临床意义。

方法

选择2014年1月至2016年5月在深圳市儿童医院确诊的7例PTMO患儿，对其临床、病理检查结果及超声表现进行分析。

结果

7例患儿中5例超声检查后经手术切除获得了病理诊断（2例为早期、3例为成熟期）；2例经超声和MRI或CT影像检查确诊。2例早期PTMO超声表现为外伤局部的肌间低回声，边界清，内部显示纤细高回声，未显示明显钙化；能量多普勒显示枝条状血流信号。5例成熟期PTMO超声表现为低回声团块，内部显示条带状钙化，伴后方声影；彩色多普勒血流成像局部呈稀疏点状血流信号。

结论

超声检查可根据肿块的声像图表现，早期识别小儿PTMO，为临床诊断和治疗提供有用的信息。

引用本文: 许娜, 夏焙, 陶宏伟, 等. 小儿外伤性骨化性肌炎的超声诊断 [J/CD] . 中华医学超声杂志（电子版）,2016,13 (11): 821-825. DOI: 10.3877/cma.j.issn.1672-6448.2016.11.005

参考文献导出: Endnote NoteExpress RefWorks NoteFirst 医学文献王

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除非特别申明，本刊刊出的所有文章不代表中华医学会和本刊编辑委员会的观点。

本刊为电子杂志，以光盘形式出版。本册应读者需求按需印刷，随光盘免费赠阅，光盘如有质量问题，请向编辑部调换

外伤性骨化性肌炎（post traumatic myositis ossificans，PTMO）是外伤后在肌肉内或邻近骨与肌肉处形成的非肿瘤性骨或软骨的良性病变^[1]。男性发病率高于女性，多见于30~40岁成人^[2]，发生于小儿鲜有报道。由于小儿肢体肿块常不确定是否为外伤所致，病史不清楚，在超声诊断上存在一定难度。本研究对7例PTMO患儿的超声图像特征结合文献进行分析，为小儿PTMO的早期诊断和临床治疗提供依据。

贡献者信息

许娜

518026　深圳市儿童医院超声科

夏焙

518026　深圳市儿童医院超声科

陶宏伟

518026　深圳市儿童医院超声科

干芸根

518026　深圳市儿童医院放射科

刘磊

518026　深圳市儿童医院超声科

王娟

518026　深圳市儿童医院超声科

刘晓

518026　深圳市儿童医院超声科

石伟

518026　深圳市儿童医院骨科

通信作者

夏焙

518026　深圳市儿童医院超声科

Email：xiabeimd@qq.com

关键词

超声检查; 小儿; 肌炎，骨化性;

作者声明

许娜,夏焙,陶宏伟,等.小儿外伤性骨化性肌炎的超声诊断[J/CD].中华医学超声杂志:电子版, 2016, 13(11): 821-825.

历史

出版日期：2016-11-01

收稿日期：2016-09-15

本文编辑

安京媛

Pediatric Ultrasound

Ultrasonographic diagnosis of pediatric post traumatic myositis ossificans

Xu Na, Xia Bei, Tao Hongwei, Gan Yungen, Liu Lei, Wang Juan, Liu Xiao, Shi Wei

Published 2016-11-01

Cite as Chin J Med Ultrasound(Electronic Edition), 2016,13(11): 821-825. DOI: 10.3877/cma.j.issn.1672-6448.2016.11.005

Abstract

Objective

To investigate the characteristics and diagnostic value of ultrasonography in the early and mature stages of pediatric post traumatic myositis ossificans (PTMO) in children.

Methods

Ultrasonography findings of seven cases of PTMO children, examined by high frequency color Doppler ultrasound in Shenzhen Children's Hospital between January 2014 and May 2016, were analyzed.

Results

Five cases of PTMO underwent surgical resection and were diagnosed by pathology, and two cases were diagnosed by MRI and CT, respectively. In the 5 cases diagnosed by pathology, 3 cases were mature stage and 2 cases were early stage. In ultrasound, early stage PTMO (two cases) were showed as hypoechogenicity in the muscle layer with a clear margin and internal slender bar-like hyperechogenicity, without obvious calcification. Energy Doppler showed branch flow signal. In ultrasound, five cases of mature stage PTMO were showed as hypoechogenicity with internal strip calcification and sound shadow. Color Doppler flow imaging showed sparse blood flow signal.

Conclusion

Ultrasound can be used as the preferred imaging examination method of PTMO in children, which can provide reliable information for clinical diagnosis and treatment of PTMO.

Key words:

Ultrasonography; Children; Myositis ossificans

Contributor Information

Xu Na