利用囊性气腔的 CT 特征预测肺腺癌的侵袭性

IF 2.9 2区 医学 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Quantitative Imaging in Medicine and Surgery Pub Date : 2024-10-01 Epub Date: 2024-09-26 DOI:10.21037/qims-24-912
Yu Zhang, Bo-Wen Ding, Lu-Na Wang, Wei-Ling Ma, Li Zhu, Qun-Hui Chen, Hong Yu
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引用次数: 0

摘要

背景:伴囊性气腔的肺腺癌(LACA)曾一度被认为是肺腺癌(LUAD)的一种不常见表现,人们对它的了解也很有限;然而,临床实践中却越来越频繁地观察到它。本研究旨在评估 LACA 的发病率,并比较不同侵犯程度患者的高分辨率计算机断层扫描(HRCT)特征:本研究回顾性分析了2016年1月至2016年5月期间上海胸科医院1525例直径≤3厘米的LUAD患者的HRCT扫描结果。我们对每个结节进行了检查,以检测是否存在囊性气腔。此外,我们还对囊性气腔的 HRCT 定性结果进行了分析,包括囊性气腔的形态、数量、壁成分密度、分布、内表面、壁结节、隔膜和穿过囊性气腔的血管,并酌情使用 Pearson χ2 检验或 Fisher's exact 检验。我们还根据情况采用单因素方差分析或 Kruskal-Wallis 秩和检验对囊腔直径、壁厚和薄壁比例等定量指标进行了分析:11.5%(176/1,525)的患者在 HRCT 上观察到 LACAs,其中 7.1%(36/505)为纯磨玻璃结节,13.5%(112/830)为混合磨玻璃结节,14.7%(28/190)为实性结节(P=0.001)。LACA的手术方式各不相同(P=0.012)。随着结节直径和侵袭性的增加(Pvs.均为 3.7 mm)(Pvs.6.8 mm, 11.8 vs. 8.3 mm)(Pvs.264.8°, 181.5° vs. 223.8°),LACAs 的发生率也随之增加(PConclusions:HRCT上囊性气腔的发生率和特征可用于预测直径≤3厘米的LUAD患者的侵袭性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Using CT features of cystic airspace to predict lung adenocarcinoma invasiveness.

Background: Lung adenocarcinoma associated with cystic airspace (LACA) was once considered an uncommon manifestation of lung adenocarcinoma (LUAD), and understandings of it are limited; however, it is being observed more frequently in clinical practice. This study sought to assess the prevalence of LACA, and compare the high-resolution computed tomography (HRCT) features of LACA in patients with varying degrees of invasiveness.

Methods: This study retrospectively reviewed the HRCT scans of 1,525 patients with LUAD ≤3 cm in diameter at the Shanghai Chest Hospital between January 2016 and May 2016. Each nodule was examined to detect the presence of cystic airspace. Additionally, we analyzed the qualitative HRCT findings of the cystic airspaces, including the pattern, number, wall component density, distribution, inner surface, mural nodules, septa, and vessels passing through the cystic airspace using the Pearson χ2 test or Fisher's exact test as appropriate. We also analyzed the quantitative measurements, such as the cystic airspace diameter, wall thickness, and thin-wall proportion, using a one-way analysis of variance or the Kruskal-Wallis rank-sum test as appropriate.

Results: LACAs were observed on HRCT in 11.5% (176/1,525) of the patients, of whom 7.1% (36/505) had pure ground-glass nodules, 13.5% (112/830) had mixed ground-glass nodules, and 14.7% (28/190) had solid nodules (P=0.001). The surgical procedures for LACAs varied (P=0.012). The incidence of LACAs increased as nodule diameter and invasiveness increased (both P<0.001). Statistically significant differences were observed in the wall component density, distribution, septa, vessels passing through the cystic airspace, cystic airspace diameter, wall thickness, and thin-wall proportion among the preinvasive lesion (PL), minimally invasive adenocarcinoma (MIA), and invasive adenocarcinoma (IAC) groups (P<0.001, P=0.024, P=0.001, P=0.025, P=0.001, P<0.001, and P<0.001, respectively). Wall component density increased as invasiveness increased (P<0.001). Unlike those in the MIAs and IACs, cystic airspaces in PLs typically lacked septa (P=0.001, and P<0.001, respectively). The IACs had larger cystic airspace diameters than the PLs (6.5 vs. 3.7 mm) (P<0.001). The IACs also had thicker wall thickness (11.8 vs. 6.8 mm, 11.8 vs. 8.3 mm) (P<0.001, and P<0.001, respectively) and smaller thin-wall proportions (181.5° vs. 264.8°, 181.5° vs. 223.8°) (P<0.001, and P=0.039, respectively) than the PLs and MIAs.

Conclusions: The prevalence and characteristics of cystic airspaces on HRCT can be used to predict invasiveness in patients with LUADs ≤3 cm in diameter.

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来源期刊
Quantitative Imaging in Medicine and Surgery
Quantitative Imaging in Medicine and Surgery Medicine-Radiology, Nuclear Medicine and Imaging
CiteScore
4.20
自引率
17.90%
发文量
252
期刊介绍: Information not localized
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