MRI T2W 图像中胰腺导管腺癌病例胆总管周围高密度环征的诊断价值

Ozlem Akinci, Ercan Inci, Mustafa Orhan Nalbant, Ozkan Oner, Elif Hocaoglu
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引用次数: 0

摘要

目的研究设计:回顾性观察研究。研究地点和时间2016年1月至2022年3月,土耳其伊斯坦布尔Bakirkoy Dr Sadi Konuk培训与研究医院放射科:对 70 名术后组织病理学确诊为胰周癌的患者的核磁共振扫描结果进行回顾性分析。记录了患者的人口统计学信息、组织病理学检查结果和核磁共振成像结果。对核磁共振成像结果进行统计分析,并在贲门周围癌组和非贲门周围癌组之间进行比较:研究包括 43 名(61.4%)男性患者和 27 名(38.5%)女性患者,平均年龄为 62.2 ± 8.4 岁。PDA 组患者的维尔星直径和肿瘤直径均值明显高于非 PDA 组(分别为 p = 0.034 和 p = 0.010)。PDA 组中 95.3% 呈进行性对比增强模式,而非 PDA 组中 40.7% 呈快速对比增强模式。在 T2W 序列中,PDA 组有 74.2%(32 人)和非 PDA 组有 11.1%(3 人)发现了高密度睾丸周围环征,其结果具有统计学意义(P 结论:PDA 组和非 PDA 组的高密度睾丸周围环征的对比度分别为 95.3%和 40.7%:胰腺周围肿瘤轴向T2W序列中的高密度胰周环征是区分PDA组和非PDA组的辅助MRI发现:磁共振成像 胰腺导管腺癌 髓周肿瘤 胆总管环征
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Diagnostic Value of Pericholedochal Hypointense Ring Sign in MRI T2W Images in Cases of Pancreatic Ductal Adenocarcinoma.

Objective: To determine the value of hypointense pericholedocal ring sign in magnetic resonance imaging (MRI) T2W sequence images in the diagnosis of pancreatic ductal adenocarcinoma (PDA).

Study design: Retrospective observational study. Place and Duration of the Study: Department of Radiology, Bakirkoy Dr Sadi Konuk Training and Research Hospital, Istanbul, Turkiye, from January 2016 and March 2022.

Methodology: Retrospective analysis of MRI scans was performed on 70 patients with postoperative histopathological confirmation of a diagnosis of periampullary cancer. The patients' demographic information, the results of their histopathological examinations, and the findings of their MRIs were recorded. The results of the MRI were statistically analysed and compared between the PDA and the non-PDA groups.

Results: The study included 43 (61.4%) male and 27 (38.5%) female patients, with a mean age of 62.2 ± 8.4 years. The means of Wirsung diameter and tumour diameter were significantly higher in PDA group (p = 0.034, p = 0.010, respectively). A progressive contrast enhancement pattern of 95.3% was observed in PDA group, while 40.7% rapid contrast enhancement pattern was observed in the non-PDA group. Hypointense pericholedochal ring sign, observed in T2W sequences, was detected in 74.2% (n = 32) of the PDA group and 11.1% (n = 3) of the non-PDA group, and the findings were statistically significant (p <0.001).

Conclusion: Hypointense pericholedochal ring sign in axial T2W sequences in periampullary tumours is a complementary MRI finding in the distinction between the PDA and the non-PDA groups.

Key words: Magnetic resonance imaging, Pancreatic ductal adenocarcinoma, Periampullary tumours, Pericholedochal ring sign.

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