[1]王雪,杨茹茜,杨雨婷,等.20 MHz高频超声对不同类型皮肤瘢痕的诊断价值[J].第三军医大学学报,2020,42(03):282-287.
 WANG Xue,YANG Ruqian,YANG Yuting,et al.Diagnostic value of 20 MHz high-frequency ultrasound for skin scars[J].J Third Mil Med Univ,2020,42(03):282-287.
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20 MHz高频超声对不同类型皮肤瘢痕的诊断价值(/HTML )
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《第三军医大学学报》[ISSN:1000-5404/CN:51-1095/R]

卷:
42卷
期数:
2020年第03期
页码:
282-287
栏目:
临床医学
出版日期:
2020-02-15

文章信息/Info

Title:
Diagnostic value of 20 MHz high-frequency ultrasound for skin scars
作者:
王雪杨茹茜杨雨婷刘洪均杨琴田新立颜洪
西南医科大学附属医院整形烧伤外科
Author(s):
WANG Xue YANG Ruqian YANG Yuting LIU Hongjun YANG Qin TIAN Xinli YAN Hong

Department of Plastic and Burn Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, 646000, China

关键词:
 瘢痕高频超声皮肤声像图皮肤厚度回声强度
Keywords:
sacr high-frequency ultrasound skin sonogramskin thicknessecho-density of skin
分类号:
R445.1; R619.6
文献标志码:
A
摘要:

目的使用20 MHz高频超声仪器检测不同类型瘢痕皮肤,对其超声声像图特点、瘢痕厚度和回声强度的差异进行观察和总结。方法 选取48例2018-2019年在本院就诊的瘢痕患者,按照瘢痕类别进行分组,分别为增生性瘢痕组(n=20)、瘢痕疙瘩组(n=18)、萎缩性瘢痕组(n=10),以及20例泸州市区正常皮肤志愿者组成正常皮肤组。使用20 MHz的高频超声采集志愿者瘢痕皮肤部位或正常皮肤的皮肤声像图,并使用此软件的测距工具测量皮肤厚度,同时使用DFY-I型超声图像定量分析诊断软件分析皮肤声像图中回声强度。结果在皮肤组织结构排列上,与正常皮肤相比,增生性瘢痕与瘢痕疙瘩表皮不平整,向上隆起,真皮层和皮下组织分界较清楚;而萎缩性瘢痕皮肤则表皮菲薄,真皮层与皮下组织之间的分界不清楚。在皮肤总体厚度方面,增生性瘢痕(P<0.001)、瘢痕疙瘩(P=0.001)明显厚于萎缩性瘢痕和正常皮肤,而萎缩性瘢痕与正常皮肤之间皮肤厚度并无明显差异。在回声强度方面,增生性瘢痕(P=0.001)与瘢痕疙瘩(P<0.001)真皮层的回声强度均明显低于正常皮肤;其中增生性瘢痕表现为位于真皮上层的条状低回声区,瘢痕疙瘩则表现为集中于表皮下的椭圆形低回声区。萎缩性瘢痕和正常皮肤真皮层的总体回声强度并无明显差异。结论不同类型的皮肤瘢痕可根据20 MHz高频超声特征性表现进行诊断和鉴别诊断。

Abstract:

Objective To observe and summarize the differences in ultrasonic characteristics, scar thickness and echo intensity for different types of scar skins by using 20 MHz high-frequency ultrasound. MethodsA total of 48 patients with scars admitted to our hospital from 2018 to 2019 were recruited in this study, and were divided into hypertrophic scar group (n=20), keloid scar group (n=18) and atrophic scar group (n=10) according to scar categories. Another 20 volunteers with normal skin living in Luzhou urban area served as normal control group. Ultrasound images of scar skin or normal skin of volunteers were collected by 20 MHz high-frequency ultrasound. Skin thickness was measured by distance measuring tool of this software. At the same time, echo density was analyzed by DFY-I ultrasound image quantitative analysis. ResultsIn terms of the structure of skin tissue, compared with normal skin, hypertrophic scar and keloid had uneven epidermis and upward protuberance, and clear boundary between dermis and subcutaneous tissues. Atrophic scar skin had a thin epidermis and the unclear boundary between dermis and subcutaneous tissue. In terms of overall skin thickness,the skin thickness of hypertrophic scar (P<0.001) and keloid(P=0.001) was significantly thicker than that of atrophic scar and normal skin, while there was no significant difference between atrophic scar and normal skin. In terms of echo density, the echo density of hypertrophic scar(P=0.001) and keloid(P<0.001) dermis was significantly lower than that of normal skin. Hypertrophic scars appeared as striated hypoechoic areas in the upper dermis, while keloids as oval hypoechoic areas concentrated under the epidermis.There was no significant difference in overall echo density between atrophic scar and normal dermis. ConclusionThe 20 MHz high-frequency ultrasound shows the characteristic ultrasonic manifestations of different types of scar.The dermis of keloid has a concentrated oval hypoechoic region, while the dermis of hypertrophic scar has a low gyrus.However,the boundary of each skin in atrophic scar sublayer is unclear,which the dermal echo intensity is uneven.

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(收稿:2019-08-20;修回:2019-10-12)
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更新日期/Last Update: 2020-02-06