Prognostic Impact of Clinicopathological and Inflammatory Markers in Surgically Treated Pulmonary Invasive Mucinous Adenocarcinoma.

IF 2.5 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
Esra Zeynelgil, Serkan Gülcü, Dilek Çağlayan, Nesrin Gürcay, Abdulkadir Koçanoğlu, Serdar Karakaya
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引用次数: 0

Abstract

Objective: Invasive mucinous lung adenocarcinoma (IMA) is a rare histological subtype representing 2-10% of lung adenocarcinomas and exhibits unique molecular and clinicopathological features. Due to its rarity and the limited number of published studies, prospective studies are not possible. Therefore, prognostic markers in patients with IMA who underwent surgery are still unclear.

Methodology: Data from patients with histopathologically confirmed pure IMA who underwent surgery between May 2020 and December 2024 were retrospectively analyzed. Demographic data, tumor size, localization, lymph node status, visceral pleural invasion [VPI], airspace spread [STAS], adjuvant therapy, and hematological indices thought to be prognostic in other cancer types were calculated. Estimated DFS and OS were calculated by the Kaplan-Meier method, and prognostic factors were investigated by Cox regression analysis.

Results: A total of 53 patients with surgically resected mucinous adenocarcinoma were included in the study. The median age was 66 years (range: 36-88). Of the patients, 54.7% were male (n = 29) and 45.3% were female (n = 24). Nineteen patients (35.8%) received adjuvant chemotherapy, and 7 patients (13.2%) received adjuvant radiotherapy. Postoperative pathological examination revealed that 24 patients (45.3%) had tumors ≥4 cm in diameter, 6 patients (11.3%) had lymph node metastasis, and 10 patients (18.9%) were STAS-positive. The estimated median disease-free survival (mDFS) for the overall population was 98.9 months. In patients with lymph node metastasis, mDFS was 4.5 months, while the median was not reached in patients without nodal involvement (log-rank, p < 0.001). In the presence of pleural invasion, mDFS was 42.7 months, while it was not reached in patients without invasion (log-rank, p = 0.008). In STAS-positive patients, mDFS was 18.6 months, compared to not reached in STAS-negative patients (log-rank, p = 0.039). For tumors ≥4 cm, mDFS was 47.1 months, while it was not reached for tumors <4 cm (log-rank, p = 0.021). Patients with right lung tumors had an mDFS of 52.8 months, whereas those with left lung tumors had a non-reached median (log-rank, p = 0.023). No significant differences in DFS were observed by age, sex, adjuvant chemotherapy, adjuvant radiotherapy, LVI, PNI and hematological indexes. The estimated median overall survival (mOS) for the entire cohort was 150.5 months. Patients with lymph node metastasis had a median OS of 10.2 months, while it was 150.5 months in patients without nodal involvement (p < 0.001). In the presence of pleural invasion, the mOS was 76.5 months, compared to 150.5 months in its absence (p = 0.008). STAS-positive patients had a mOS of 24.6 months, whereas STAS-negative patients had a mOS of 150.5 months (p = 0.001). No statistically significant differences in OS were observed according to age, sex, adjuvant chemotherapy, adjuvant radiotherapy, tumor size, LVI, PNI and hematological indexes. In univariable Cox regression analysis, tumor size ≥4 cm, lymph node metastasis (p < 0.001), pleural invasion (p = 0.012), STAS positivity (p = 0.047), and right-sided tumor location (p = 0.029) were identified as significant prognostic factors for DFS. Other variables were not associated with DFS. For OS, lymph node metastasis (p < 0.001), pleural invasion (p = 0.013), and STAS positivity (p = 0.002) were also found to be significant prognostic factors.

Conclusion: In conclusion, It was demonstrated that while lymph node metastasis, visceral pleural invasion and STAS presence were identified as poor prognostic indicators in patients with IMA, inflammatory markers did not predict prognosis.

手术治疗的肺浸润性粘液腺癌的临床病理和炎症标志物对预后的影响。
目的:浸润性肺粘液腺癌(IMA)是一种罕见的组织学亚型,占肺腺癌的2-10%,具有独特的分子和临床病理特征。由于其罕见性和发表的研究数量有限,不可能进行前瞻性研究。因此,接受手术的IMA患者的预后指标仍不清楚。方法:回顾性分析2020年5月至2024年12月期间接受手术的组织病理学证实的纯IMA患者的数据。计算人口学数据、肿瘤大小、定位、淋巴结状态、内脏胸膜侵犯[VPI]、空域扩散[STAS]、辅助治疗以及其他癌症类型中被认为是预后的血液学指标。采用Kaplan-Meier法计算估计DFS和OS, Cox回归分析预后因素。结果:共纳入53例手术切除的粘液腺癌患者。中位年龄为66岁(范围:36-88岁)。其中男性54.7% (n = 29),女性45.3% (n = 24)。辅助化疗19例(35.8%),辅助放疗7例(13.2%)。术后病理检查显示肿瘤直径≥4cm 24例(45.3%),淋巴结转移6例(11.3%),stas阳性10例(18.9%)。总体人群的估计中位无病生存期(mDFS)为98.9个月。在有淋巴结转移的患者中,mDFS为4.5个月,而无淋巴结受累的患者中位数未达到(log-rank, p )结论:结论:虽然淋巴结转移、内脏胸膜浸润和STAS存在被认为是IMA患者预后不良的指标,但炎症标志物不能预测预后。
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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来源期刊
Seminars in Thoracic and Cardiovascular Surgery
Seminars in Thoracic and Cardiovascular Surgery Medicine-Pulmonary and Respiratory Medicine
CiteScore
5.80
自引率
0.00%
发文量
324
审稿时长
12 days
期刊介绍: Seminars in Thoracic and Cardiovascular Surgery is devoted to providing a forum for cardiothoracic surgeons to disseminate and discuss important new information and to gain insight into unresolved areas of question in the specialty. Each issue presents readers with a selection of original peer-reviewed articles accompanied by editorial commentary from specialists in the field. In addition, readers are offered valuable invited articles: State of Views editorials and Current Readings highlighting the latest contributions on central or controversial issues. Another prized feature is expert roundtable discussions in which experts debate critical questions for cardiothoracic treatment and care. Seminars is an invitation-only publication that receives original submissions transferred ONLY from its sister publication, The Journal of Thoracic and Cardiovascular Surgery. As we continue to expand the reach of the Journal, we will explore the possibility of accepting unsolicited manuscripts in the future.
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