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05 July 2019 : Clinical Research  

Determination of Risk Factors Related to Supraclavicular Recurrence for Limited-Stage Small Cell Lung Cancer (SCLC) Patients

Yong Guan1ABCDEFG*, Ximei Zhang1ABCDEFG

DOI: 10.12659/MSM.916279

Med Sci Monit 2019; 25:4968-4973


BACKGROUND: This research aimed to determine high-risk factors of supraclavicular recurrence for limited-stage small cell lung cancer (LS-SCLC) patients to discover a potential subpopulation that can benefit from prophylactic supraclavicular irradiation (PSCI).

MATERIAL AND METHODS: Between July 2006 and July 2011, LS-SCLC patients without supraclavicular lymph node (SCLN) involvement consecutively treated with concurrent chemo-radiation but without PSCI in the Radiotherapy Department of the Cancer Institute and Hospital of Tianjin Medical University, were retrospectively analyzed. SCLN recurrence rate, overall survival (OS), and distant metastasis-free survival (DMFS) were assessed. Binary logistic regression analysis was conducted to discover the high-risk factors related to the SCLN recurrence. The receiver operating characteristic (ROC) curves were drawn to evaluate logistic regression model prediction performance.

RESULTS: Eighty-eight LS-SCLC patients were analyzed in this study. During 99 months (ranging from 72 months to 124 months) for survivors, 28 (31.8%) had SCLN recurrence. There were significant differences for median DMFS and OS between LS-SCLC patients with and without SCLN recurrence. The logistic regression model revealed that lymphadenopathy at mediastinal level 2 and level 3 prior to chemotherapy were significantly associated with SCLN recurrence, which was validated by ROC.

CONCLUSIONS: Lymphadenopathy at mediastinal level 2 and level 3 prior to chemotherapy were the high-risk factors associated with SCLN recurrence for patients with LS-SCLC. Further work is needed to determine whether patients with these factors can benefit from PSCI.

Keywords: Lymph Nodes, Local Lymph Node Assay, Radiotherapy, Risk Factors, Small Cell Lung Carcinoma, Adolescent, Aged, Clavicle, Logistic Models, Middle Aged, Neoplasm Staging, ROC Curve, Survival Analysis, young adult



01 October 2022 : Editorial  

Editorial: Rebound COVID-19 and Cessation of Antiviral Treatment for SARS-CoV-2 with Paxlovid and Molnupiravir

Dinah V. Parums
Science Editor, Medical Science Monitor, International Scientific Information, Inc., Melville, NY, USA

DOI: 10.12659/MSM.938532

Med Sci Monit 2022; 28:e938532


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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750