肿块型自身免疫性胰腺炎与胰腺导管腺癌的超声及超声造影表现分析

欧阳向柳; 韩云霞; 郑立春; 赵英春; 申新宇; 张文军; 王艳滨

doi:10.3969/j.issn.1001-5256.2022.06.025

肿块型自身免疫性胰腺炎与胰腺导管腺癌的超声及超声造影表现分析

DOI: 10.3969/j.issn.1001-5256.2022.06.025

a.
唐山市工人医院超声科, 河北唐山 063000
b.
唐山市工人医院核医学科, 河北唐山 063000
c.
唐山市工人医院营养科, 河北唐山 063000

基金项目:

唐山市科学技术研究与发展计划 (19150220E)

伦理学声明：本研究方案于2019年6月24日经由唐山市工人医院伦理委员会审批，批号为GRYY-LL-2019-39, 患者均签署知情同意书。

利益冲突声明：本研究不存在研究者、伦理委员会成员、受试者监护人以及与公开研究成果有关的利益冲突。

作者贡献声明：欧阳向柳、韩云霞、申新宇对研究的思路或设计有关键贡献; 赵英春、张文军参与了研究数据的获取分析解释过程; 王艳滨、郑立春参与起草和修改了文章关键内容。

详细信息

通信作者:
王艳滨，wangyanbin689@163.com

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出版历程
- 收稿日期: 2021-11-09
- 录用日期: 2021-12-02
- 出版日期: 2022-06-20

Ultrasound findings and contrast-enhanced ultrasound findings of mass-type autoimmune pancreatitis versus pancreatic ductal adenocarcinoma

a.
Department of Ultrasound, Tangshan Gongren Hospital, Tangshan, Hebei 063000, China
b.
Department of Nuclear Medicine, Tangshan Gongren Hospital, Tangshan, Hebei 063000, China
c.
Department of Nutrition, Tangshan Gongren Hospital, Tangshan, Hebei 063000, China

Research funding:

Science & Technology Program of Tangshan (19150220E)

More Information

Corresponding author: WANG Yanbin, wangyanbin689@163.com(ORCID: 0000-0001-9861-1763)

摘要

摘要: 目的探讨超声及超声造影对肿块型自身免疫性胰腺炎(AIP)与胰腺导管腺癌(PDAC)的鉴别诊断价值。方法回顾性分析2015年1月—2020年12月唐山市工人医院确诊的11例肿块型AIP患者的临床资料及常规超声、超声造影资料，分析其特征性表现，并与23例PDAC患者的资料进行对比，计数资料两组间比较采用χ²检验。结果 11例肿块型AIP超声造影的诊断准确性为63.64%，均为单发病灶，且均低回声，在边界清晰、形态规则、胰管扩张或截断、血流信号方面所占比例分别为54.55%、63.64%、18.18%、36.36%，而PDCA组分别为30.43%、34.78%、78.26%、21.74%，两组间是否伴胰管扩张或截断方面存在统计学差异(χ²=11.089，P＜0.05)，其余指标均无明显统计学差异(P值均＞0.05)。超声造影中7例(63.64%)肿块型AIP动脉期呈高增强，4例(36.36%)呈等增强，静脉期5例(45.45%)呈高增强、6例(54.55%)呈等增强；23例PDAC中22例(95.65%)病灶在动脉期及静脉期均呈低增强，两者动、静脉期强化方式差异均有统计学意义(χ²值分别为30.345、30.084，P值均＜0.05)。结论超声造影检查增强模式及是否伴胰管扩张或截断方面在肿块型AIP与PDCA的鉴别诊断中具有较高的价值。
- 超声检查 /
- 超声造影 /
- 胰腺炎 /
- 胰腺肿瘤 /
- 诊断, 鉴别
Abstract: Objective To investigate the value of ultrasound and contrast-enhanced ultrasound (CEUS) in the differential diagnosis of mass-type autoimmune pancreatitis (AIP) and pancreatic ductal adenocarcinoma (PDAC). Methods A retrospective analysis was performed for the clinical data, ultrasound findings, and CEUS findings of 11 patients with mass-type AIP who were diagnosed in Tangshan Workers' Hospital from January 2015 to December 2020, and their characteristic manifestations were analyzed and compared with the data of 23 patients with PDCA. The chi-square test was used for comparison of categorical data between two groups. Results For the 11 patients with mass-type AIP, CEUS had a diagnostic accuracy of 63.64%, and all of these patients had hypoechoic single lesions; the patients with clear boundaries, regular morphology, pancreatic duct dilatation or cutoff, and blood flow signal accounted for 54.55%, 63.64%, 18.18%, and 36.36%, respectively, while in the PDCA group, such patients accounted for 30.43%, 34.78%, 78.26%, and 21.74%, respectively, and there was a significant difference in the presence or absence of pancreatic duct dilatation or cutoff between the two groups(χ²=11.089, P < 0.05), with no significant differences in the other indices (all P > 0.05). For the 11 patients with mass-type AIP, CEUS showed that 7 patients (63.64%) had hyperenhancement and 4 (36.36%) had iso-enhancement in the arterial phase, and 5 patients (45.45%) had hyperenhancement in the arterial phase and 6 (54.55%) had iso-enhancement in the venous phase; for the 23 patients with PDCA, 22 (95.65%) had hypoenhancement of lesions in both arterial and venous phases, and there were significant differences in the enhancement pattern in arterial and venous phases between the two groups (χ²=30.345 and 30.084, both P < 0.05). Conclusion The enhancement pattern of CEUS and the presence or absence of pancreatic duct dilatation or cutoff have a relatively high value in the differential diagnosis of mass-type AIP and PDCA.
- Ultrasonography /
- Contrast-enhanced ultrasonography /
- Pancreatitis /
- Pancreatic Neoplasms /
- Diagnosis, Differential

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图 1 肿块型AIP二维超声图像

注：胰头部低回声肿块(粗箭头)，胰体部为正常胰腺组织(细箭头)。

Figure 1. Two-dimensional ultrasonic imaging of focal autoimmune pancreatitis

下载: 全尺寸图片幻灯片

图 2 肿块型AIP彩色多普勒超声图像

注：箭头示胰头部肿块内可见少许点条状血流信号。

Figure 2. Color doppler flow imaging of focal autoimmune pancreatitis

下载: 全尺寸图片幻灯片

图 3 肿块型AIP超声造影动脉期图像(24 s)

注：a，超声造影显示胰头部肿块型AIP动脉期呈高增强(粗箭头)与胰体部正常胰腺组织(细箭头); b，常规超声显示胰头部低回声肿块型AIP(粗箭头)与胰体部正常胰腺组织(细箭头)。

Figure 3. Contrast-enhanced ultrasonography imaging of focal autoimmune pancreatitis in arterial phase (24 s)

下载: 全尺寸图片幻灯片

图 4 肿块型AIP超声造影静脉期图像(38 s)

注：a，超声造影显示胰头部肿块型AIP静脉期呈高增强(粗箭头)与胰体部正常胰腺组织(细箭头); b，常规超声显示胰头部低回声肿块型AIP(粗箭头)与胰体部正常胰腺组织(细箭头)。

Figure 4. Contrast-enhanced ultrasonography imaging of focal autoimmune pancreatitis in venous phase (38 s)

下载: 全尺寸图片幻灯片

图 5 PDAC超声造影动脉期图像(16 s)

注：a，常规超声显示胰头部低回声PDCA(箭头); b，超声造影显示胰头部PDCA动脉期呈低增强表现(箭头)。

Figure 5. Contrast-enhanced ultrasonography imaging of pancreatic ductal denocarcinoma in arterial phase (16 s)

下载: 全尺寸图片幻灯片

图 6 PDAC超声造影静脉期图像(57 s)

注：a，常规超声显示胰头部低回声PDCA(箭头); b，超声造影显示胰头部PDCA静脉期呈低增强表现(箭头)。

Figure 6. Contrast-enhanced ultrasonography imaging of pancreatic ductal denocarcinoma in venous phase (57 s)

下载: 全尺寸图片幻灯片

表 1 肿块型AIP与PDCA常规超声表现比较

Table 1. Ultrasonographic characteristics between focal autoimmune pancreatitis and pancreatic ductal adenocarcinoma

超声表现	肿块型AIP (n=11)	PDCA (n=23)	χ²值	P值
病灶部位[例(%)]			2.543	0.280
胰头	9(81.82)	17(73.91)
胰体	2(18.18)	2(8.70)
胰尾	0	4(17.39)
病灶边界[例(%)]			1.832	0.176
清晰	6(54.55)	7(30.43)
不清晰	5(45.45)	16(69.57)
病灶形态[例(%)]			2.531	0.113
规则	7(63.64)	8(34.78)
不规则	4(36.36)	15(65.22)
是否伴有液化[例(%)]			2.168	0.141
是	0	4(17.39)
否	11(100)	19(82.61)
胰管扩张或截断[例(%)]			11.089	0.001
是	2(18.18)	18(78.26)
否	9(81.82)	5(21.74)
血流信号[例(%)]			0.818	0.366
伴有	4(36.36)	5(21.74)
不伴有	7(63.64)	18(78.26)

下载: 导出CSV

表 2 肿块型AIP与PDCA超声造影表现

Table 2. Contrast-enhanced ultrasonography between focal autoimmune pancreatitis and pancreatic ductal adenocarcinoma

期别	肿块型AIP(n=11)			PDAC(n=23)			χ²值	P值
期别	高增强	等增强	低增强	高增强	等增强	低增强	χ²值	P值
动脉期(例)	7	4	0	0	1	22	30.345	＜0.001
静脉期(例)	5	6	0	0	1	22	30.084	＜0.001

下载: 导出CSV

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