Diagnostic performance of PET-CT and technical efficacy of ultrasound-guided core needle biopsy of small and intermediate size malignant supraclavicular lymph nodes.

Woo Hee Choi, Jiwon Bae, Jae Ho Shin
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Abstract

Aim: We aimed (1) to determine optimal PET-CT SUV and ultrasound (US) features associated for malignant smallintermediate size supraclavicular lymph nodes (SCN) and (2) to evaluate technical efficacy of core needle biopsy (CNB). Materials and methods: Between 2020 and 2023, CNB of SCN with short-axis less than 15 mm were included. PET-CT was evaluated for optimal SUV cut-off value. Multivariate logistic regression was performed for US features. Technical efficacy of CNB (success rate) was calculated, and US features were compared between satisfactory CNB specimen and unsatisfactory CNB specimen.

Results: Eighty-four SCN per 80 patients (age 64.0±17.2 years, 45.2% female) were included. The optimal SUV cut-off value was 1.1 with diagnostic accuracy of 89.8%. US features associated with malignancy were anteroposterior dimension ≥9 mm and absence of hilum. The overall CNB success rate was 94%, and unsatisfactory specimen demonstrated shorter transverse diameter (12 mm vs 5 mm, p<0.001), and non-parallel orientation (20.3% vs. 100%, p<0.001).

Conclusion:  CNB should be considered for small-intermediate size SCN with SUV exceeding 1.1, anteroposterior dimension ≥9 mm, and absence of hilum. SCN with shorter transverse diameter and non-parallel orientation may result in unsatisfactory CNB specimen.

PET-CT 的诊断性能和超声引导下对中小型恶性锁骨上淋巴结进行核心针活检的技术效果。
目的:我们旨在(1)确定与恶性中小型锁骨上淋巴结(SCN)相关的最佳 PET-CT SUV 和超声(US)特征;(2)评估核心针活检(CNB)的技术效果。材料和方法:纳入 2020 年至 2023 年期间短轴小于 15 毫米的 SCN 的 CNB。PET-CT 评估了最佳 SUV 临界值。针对 US 特征进行多变量逻辑回归。计算CNB的技术疗效(成功率),并比较满意CNB标本与不满意CNB标本的US特征:结果:80 名患者中有 84 例 SCN(年龄为 64.0±17.2 岁,女性占 45.2%)。最佳 SUV 临界值为 1.1,诊断准确率为 89.8%。与恶性肿瘤相关的US特征是前胸尺寸≥9毫米和无肝门。CNB的总体成功率为94%,不满意标本的横径较短(12 mm vs 5 mm,p): 对于 SUV 超过 1.1、前胸尺寸≥9 毫米且无肝门的中小型 SCN,应考虑进行 CNB。横径较短且方向不平行的 SCN 可能导致 CNB 标本不理想。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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