Diagnostic value of combined CT lymphangiography and 99Tcm-DX lymphoscintigraphy in primary chylopericardium.

IF 2.9 3区 医学 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING BMC Medical Imaging Pub Date : 2024-08-28 DOI:10.1186/s12880-024-01399-x
Yimeng Zhang, Zhe Wen, Mengke Liu, Xingpeng Li, Mingxia Zhang, Rengui Wang
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Abstract

Objective: To investigate the diagnostic value of combined 99Tcm-DX lymphoscintigraphy and CT lymphangiography (CTL) in primary chylopericardium.

Methods: Fifty-five patients diagnosed with primary chylopericardium clinically were retrospectively analyzed. 99Tcm-DX lymphoscintigraphy and CTL were performed in all patients. Primary chylopericardium was classified into three types, according to the 99Tcm-DX lymphoscintigraphy results. The evaluation indexes of CTL include: (1) abnormal contrast distribution in the neck, (2) abnormal contrast distribution in the chest, (3) dilated thoracic duct was defined as when the widest diameter of thoracic duct was > 3 mm, (4) abnormal contrast distribution in abdominal. CTL characteristics were analyzed between different groups, and P < 0.05 was considered a statistically significant difference.

Results: Primary chylopericardium showed 12 patients with type I, 14 patients with type II, and 22 patients with type III. The incidence of abnormal contrast distribution in the posterior mediastinum was greater in type I than type III (P = 0.003). The incidence of abnormal contrast distribution in the pericardial and aortopulmonary windows, type I was greater than type III (P = 0.008). And the incidence of abnormal distribution of contrast agent in the bilateral cervical or subclavian region was greater in type II than type III (P = 0.002).

Conclusion: The combined application of the 99Tcm-DX lymphoscintigraphy and CTL is of great value for the localized and qualitative diagnosis of primary chylopericardium and explore the pathogenesis of lesions.

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CT淋巴管造影和99Tcm-DX淋巴管造影对原发性乳糜心包炎的诊断价值。
目的研究 99Tcm-DX 淋巴管造影和 CT 淋巴管造影(CTL)对原发性乳糜心包炎的诊断价值:方法:对55例经临床诊断为原发性乳糜心包炎的患者进行回顾性分析。对所有患者进行了 99Tcm-DX 淋巴透视和 CTL 检查。根据 99Tcm-DX 淋巴闪烁扫描结果,原发性乳糜心包炎被分为三种类型。CTL 的评价指标包括(1)对比剂在颈部的异常分布;(2)对比剂在胸部的异常分布;(3)胸导管扩张,胸导管最宽直径大于 3 mm;(4)对比剂在腹部的异常分布。对不同组间的 CTL 特征进行分析,并得出 P 结果:原发性乳糜胸患者中,Ⅰ型 12 例,Ⅱ型 14 例,Ⅲ型 22 例。后纵隔对比剂分布异常的发生率 I 型高于 III 型(P = 0.003)。心包窗和主动脉肺窗对比剂分布异常的发生率,I 型高于 III 型(P = 0.008)。对比剂在双侧颈部或锁骨下区域异常分布的发生率,II 型高于 III 型(P = 0.002):99Tcm-DX淋巴管造影和CTL的联合应用对原发性乳糜心包炎的定位和定性诊断以及病变发病机制的探索具有重要价值。
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来源期刊
BMC Medical Imaging
BMC Medical Imaging RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
4.60
自引率
3.70%
发文量
198
审稿时长
27 weeks
期刊介绍: BMC Medical Imaging is an open access journal publishing original peer-reviewed research articles in the development, evaluation, and use of imaging techniques and image processing tools to diagnose and manage disease.
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