基于多层螺旋CT影像对胸骨后组织随年龄变化特征的观察

doi:10.3760/cma.j.cn101202-20211007-00281

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摘要目的基于多层螺旋CT（MSCT）影像探讨胸骨后解剖结构随年龄的变化特征。方法回顾性研究。纳入青岛大学附属泰安市中心医院2020年8—12月行胸部MSCT检查的1 000例受检者的影像学资料。男500例、女500例,年龄0.5~100（50.23±28.49）岁。按每10岁进行分组,共分为10组,观察和统计在胸骨柄后方和胸骨体Ⅰ、Ⅱ、Ⅲ、Ⅳ后方以及剑突后方等区域中,不同年龄组观察到的毗邻组织的比率。结果（1）胸骨柄后方的毗邻组织：≤10岁和11~20岁,主要为胸腺（98%、70%）;21~100岁,主要为脂肪（73%~97%）、大血管（34%~65%）和肺组织（20%~55%）。（2）胸骨体Ⅰ后方出现的毗邻组织：≤10岁和11~20岁,主要为胸腺（70%、28%）、肺组织（50%、87%）;21~100岁,主要为脂肪（24%~72%）和肺组织（56%、85%）。（3）胸骨体Ⅱ后方的毗邻组织：≤10岁和11~20岁,主要为肺组织（59%、78%）、心包（46%、28%）和胸腺（30%、13%）;21~100岁,主要为肺组织（58%~86%）、脂肪（11%~57%）和心包（5%~25%）。（4）胸骨体Ⅲ后方的毗邻组织：≤10岁和11~20岁,主要为肺组织（54%、70%）和心包（71%、59%）;21~100岁,主要为肺组织（45%~72%）、心包（32%~53%）和脂肪（10%~45%）。（5）胸骨体Ⅳ后方的毗邻组织：≤10岁和11~20岁,主要为心包（82%、77%）和肺组织（42%、44%）;21~100岁,主要为心包（60%~70%）、肺组织（23%~48%）和脂肪（9%~35%）。（6）剑突后方的毗邻组织：≤10岁和11~20岁,主要为心包（31%、55%）、膈肌或肝脏（30%、4%）和肺（25%、12%）;21~100岁,主要为心包（61%~83%）、脂肪（25%~43%）膈肌或肝脏（3%~19%）和肺（2%~14%）。结论基于MSCT影像,不同的年龄段胸骨后组织结构在不同的区域存在较大的变化。

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	马得廷
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	崔雪

关键词 ：胸骨, 解剖, 年龄, 体层摄影术,X线计算机

Abstract：Objective To investigate the characteristics of poststernal anatomical structure with age based on multi-slice spiral computed tomography (MSCT). Methods A retrospective study was conducted. Imaging data of 1 000 patients who underwent MSCT in City Central Hospital, Qingdao University from August to December 2020 were retrospectively analyzed. The subjects were 500 males and 500 females aged 0.5–100 years, with an average of (50.23±28.49) years. Each group was divided into 10 groups by 10 years old. The adjacent tissues behind the manubrium sternum, parts Ⅰ–Ⅳ of the sternum body, and the xiphoid process were observed and counted. The probability (%) of occurrence of each tissue in each region of each age group was calculated. Results (1) The adjacent tissues behind the manubrium sternum were as follows: ≤10 years old and 11–20 years old, primarily thymus (98%, 70%); and 21–100 years old, primarily fat (73%–97%), large blood vessels (34%–65%), and lung tissue (20%–55%). (2) The adjacent tissues behind sternum body Ⅰ were as follows: ≤10 years old and 11–20 years old, primarily thymus (70%, 28%) and lung (50%, 87%); and 21–100 years, primarily fat (24%–72%) and lung tissue (56%–85%). (3) The adjacent tissues behind sternum body Ⅱ were as follows: ≤10 years old and 11–20 years old, primarily lung tissue (59%, 78%), pericardium (46%, 28%), and thymus gland (30%, 13%); and 21–100 years, primarily lung tissue (58%–86%), fat (11%–57%), and pericardium (5%–25%). (4) The adjacent tissues behind sternum body Ⅲ were as follows: ≤10 years old and 11–20 years old, primarily lung tissue (54%,70%) and pericardium (71%,59%); and 21–100 years, primarily lung tissue (45%–72%), pericardium (32%–53%), and fat (10%–45%). (5) The adjacent tissues behind sternum body Ⅳ were as follows: ≤10 years old and 11–20 years old, primarily pericardium (82%,77%) and lung tissue (42%,44%); and 21–100 years, primarily pericardium (60%–70%), lung (23%–48%), and fat (9%–35%).(6) The adjacent tissues behind the xiphoid process were as follows: ≤10 years old and 11–20 years old, primarily pericardium (31%,55%), diaphragm or liver (30%,4%), and lung (25%,12%); and 21–100 years, primarily pericardium (61%–83%), fat (25%–43%), diaphragm or liver (3%–19%), and lung (2%–14%). Conclusions Observations of poststernal anatomical structures based on MSCT suggest that significant changes exist in tissue structure in different anatomical regions and age groups.

Key words： Sternum Anatomy Age Tomography,X-ray computed

收稿日期: 2021-10-07

通讯作者: 马得廷,Email：medimage@163.com

引用本文:

马得廷, 王君霞, 李瑞光, 崔雪. 基于多层螺旋CT影像对胸骨后组织随年龄变化特征的观察[J]. 中华解剖与临床杂志, 2022, 27(4): 220-225.
Ma Deting, Wang Junxia, Li Ruiguang, Cui Xue. Characteristics of posterior sternal tissue with age based on multi-slice spiral computed tomography. Chinese Journal of Anatomy and Clinics, 2022, 27(4): 220-225.

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http://www.cjac.com.cn/CN/10.3760/cma.j.cn101202-20211007-00281 或 http://www.cjac.com.cn/CN/Y2022/V27/I4/220

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