双侧下肢水肿患者远侧侧淋巴流与肥胖的关系

Sule Ceylan
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摘要

目的:本研究旨在全面评估放射性核素影像学表现,以帮助早期下肢淋巴水肿的临床诊断。方法:我们的回顾性研究纳入了2017年至2022年间接受双侧下肢水肿(BLEE)淋巴显像检查的135例患者。其中女性117例(86.7%)。分别于注射放射性药物后第10、40、2小时采集淋巴显像。放射性核素成像(RI)第2小时图像观察到双侧下肢淋巴充血(MLC),并伴有腹股沟淋巴结活动的积累。所有患者均表现为下肢水肿。结果:55例(40.7%)患者为肥胖。60例(44.4%)患者被确诊为双侧远侧侧枝血流(BDCF),所有患者均为女性。该组13例(21.7%)肥胖,11例(18.3%)表现为远端和直接肌淋巴充血(DDMLC)。63例(46.7%)患者存在DDMLC。75例(55.6%)BLEE患者存在单侧远侧侧枝血流(UDCF),其中67例(89.3%)为肥胖。肥胖患者UDCF和DDMLC的患病率均显著高于肥胖患者(p: 0.0005)。具体结果如表1-4和图3、图4所示。结论:功能双侧核素成像方法为医生提供了有价值的数据,使双侧和比较评估成为可能。然而,应特别注意非对称图像的解释,特别是在特定的患者群体中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Relationship Between the Presence of Distal Collateral Lymphatic Flows and Obesity in Patients with Bilateral Lower Extremity Edema
Objective: This study aimed to comprehensively assess radionuclide imaging findings to aid in the clinical diagnosis of early-stage lower extremity lymphedema. Methods: Our retrospective study included 135 patients who underwent lymphoscintigraphy for bilateral lower extremity edema (BLEE) between 2017 and 2022. Of these patients, 117 (86.7%) were female. Lymphoscintigraphic images were acquired at the 10th, 40th, and 2nd hours post-injection of radiopharmaceuticals. Bilateral lower extremity lymphatic congestion (MLC) was observed in the 2nd-hour images of radionuclide imaging (RI), with an associated accumulation of activity in the inguinal lymph nodes. All patients presented with lower extremity edema. Results: Among our patients, 55 (40.7%) were classified as obese. Bilateral distal collateral flows (BDCF) were identified in 60 (44.4%) of our patients, all of whom were female. Within this group, 13 (21.7%) were obese, and 11 (18.3%) exhibited distal and direct muscle lymphatic congestion (DDMLC). DDMLC was present in 63 (46.7%) patients. Unilateral distal collateral flow (UDCF) was detected in 75 (55.6%) of the patients with BLEE, with 67 (89.3%) of them being obese. Obese patients exhibited a significantly higher prevalence of both UDCF and DDMLC (p: 0.0005). Detailed results can be found in Table 1-4 and Figures 3 and 4. Conclusion: Functional bilateral radionuclide imaging methods provide valuable data for physicians, enabling bilateral and comparative assessments. However, particular attention should be paid to the interpretation of asymmetric images, especially in specific patient groups.
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