A population-based analysis of primary colonic lymphoma: Patterns of care and outcomes

IF 3.2 2区 医学 Q1 SURGERY
Surgery Pub Date : 2025-03-29 DOI:10.1016/j.surg.2025.109346
Lindsay L. Welton MD , Julia F. Kohn MD , Alexander M. Troester MD , Wyatt Tarter MS , Schelomo Marmor PhD, MPH , Jacob C. Cogan MD , Genevieve B. Melton MD, PhD , Paolo Goffredo MD
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Abstract

Background

Primary colorectal lymphoma is a rare malignancy (∼1%) with a rising incidence over the last 3 decades. Treatment is not standardized and includes combinations of chemotherapy, surgery, and radiation. The aim of this study was to describe patterns of care and outcomes of primary colorectal lymphoma in a US population-based cohort.

Methods

The Surveillance, Epidemiology, and End Results Database was queried to identify adults diagnosed with primary colorectal lymphoma, 2000–2015. Logistic regression and cox proportional hazard models estimated the effects of patient factors on treatment received, and survival, respectively.

Results

Of 1,721 patients (52% aged ≥65 years, 62% male, 80% White) 21% underwent chemotherapy alone, 31% surgery only, 22% surgery + chemotherapy, 8% radiation, and 18% no treatment. Multinomial analysis showed age, race, marital status, stage, histology, and lymphoma location were significantly associated with treatment received. No treatment was associated with older age. Proximal lesions more often underwent surgery + chemotherapy. After adjustment, factors associated with worse overall and disease-specific survival included age, sex, race, stage, and histology. No treatment was associated with lower overall survival when compared to chemotherapy, whereas surgery + chemotherapy had better prognosis.

Conclusion

In this population-based cohort, ∼20% of patients did not receive any treatment, which was associated with increasing age and worse survival. Patients with proximal lesions were more likely to undergo surgery + chemotherapy, with improved prognosis, possibly suggesting localized disease amenable to surgical resection and systemic treatment may lead to better oncologic outcomes, and elderly and Black individuals had worse survival rates, suggesting potential disparities extending to these subsets of patients.

Abstract Image

原发性结肠淋巴瘤基于人群的分析:护理模式和结果
背景:原发性结直肠癌是一种罕见的恶性肿瘤(约1%),其发病率在过去30年中呈上升趋势。治疗没有标准化,包括化疗、手术和放疗的组合。本研究的目的是描述美国人群为基础的队列中原发性结直肠癌的护理模式和结局。方法对2000-2015年诊断为原发性结直肠癌的成人进行监测、流行病学和最终结果数据库的查询。Logistic回归和cox比例风险模型分别估计了患者因素对接受治疗和生存的影响。结果在1721例患者中(52%年龄≥65岁,62%男性,80%白人),21%单独化疗,31%单纯手术,22%手术+化疗,8%放疗,18%不治疗。多项分析显示,年龄、种族、婚姻状况、分期、组织学和淋巴瘤位置与所接受的治疗显著相关。治疗与年龄无关。近端病变多行手术+化疗。调整后,与较差的总生存率和疾病特异性生存率相关的因素包括年龄、性别、种族、分期和组织学。与化疗相比,没有治疗与较低的总生存率相关,而手术+化疗具有更好的预后。在这个以人群为基础的队列中,约20%的患者未接受任何治疗,这与年龄增加和生存率降低有关。近端病变患者更有可能接受手术+化疗,预后改善,可能表明局部疾病适合手术切除,全身治疗可能导致更好的肿瘤预后,老年人和黑人个体的生存率较差,表明潜在的差异延伸到这些患者亚群。
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来源期刊
Surgery
Surgery 医学-外科
CiteScore
5.40
自引率
5.30%
发文量
687
审稿时长
64 days
期刊介绍: For 66 years, Surgery has published practical, authoritative information about procedures, clinical advances, and major trends shaping general surgery. Each issue features original scientific contributions and clinical reports. Peer-reviewed articles cover topics in oncology, trauma, gastrointestinal, vascular, and transplantation surgery. The journal also publishes papers from the meetings of its sponsoring societies, the Society of University Surgeons, the Central Surgical Association, and the American Association of Endocrine Surgeons.
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