Abstract
Purpose
Head and neck rhabdomyosarcoma (HNRMS) is a rare but aggressive malignant neoplasm. Given the young patient age and critical anatomy of the head and neck, performing surgery on the primary tumor still remains debatable. This study aimed to evaluate the impact of the non-surgery-based treatment versus surgery-based treatment on patients with nonmetastatic HNRMS.
Methods
Patients diagnosed with nonmetastatic HNRMS between 2004 and 2015 from the Surveillance, Epidemiology, and End Results (SEER) database were enrolled in our study. Inverse probability treatment weighting (IPTW) method was employed to balance confounding factors between surgery and non-surgery groups. Kaplan–Meier methods and COX regression analyses were used to analyze survival outcomes of overall survival (OS) and cancer-specific survival (CSS). Prognostic nomogram was established to predict survival.
Results
A total of 260 eligible patients were extracted from the SEER database. Kaplan–Meier survival curves revealed that there was no significant difference in OS and CSS between the surgery and non-surgery groups both before and after IPTW (p > 0.05). Cox regression analyses and IPTW-adjusted Cox regression analyses for both OS and CSS showed similar survival between the two groups. Prognostic factors were explored and a nomogram for patients in the surgery group was constructed. Risk stratification based on the nomogram indicated that patients in surgery-high-risk group did not benefit from primary surgery. While those in surgery-low-risk group had an equal survival outcome to those in non-surgery group.
Conclusions
Our study revealed that compared to patients receiving surgery, those not receiving surgery had similar survival outcomes for nonmetastatic HNRMS. Our established nomogram may serve as a practical tool for individual prognostic evaluations.
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Data availability statement
The data and materials that supported the findings of this study are available from the corresponding author upon reasonable request. Original data are available at Surveillance Epidemiology and End Results (SEER) database (https://seer.cancer.gov/data/).
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Acknowledgements
We would like to thank the staff of the SEER database for their kind work in data collection and delivery.
Funding
This work was supported by a Grant from the Oncology Science and Technology Innovation Cultivation Program of Zhongnan Hospital of Wuhan University (No. 2020-B-06).
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YW, QW, WL, and LL were responsible for study conception and design; WL, YQ, and BZ were responsible for acquisition of data; WL, LL, MW, and YL were responsible for data analysis; WL was responsible for drafting of the manuscript; YW, QW, WL, and LL were responsible for revision of the manuscript.
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All authors have declared that they have no conflicts of interest with regard to this work.
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All personal identifying information for patients was anonymized by Surveillance, Epidemiology, and End Results, so ethical approval and informed consent were waived.
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Informed consent was waived due to approved use of publically accessible database and retrospective nature of the study.
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12094_2023_3076_MOESM3_ESM.eps
Supplementary Fig. 1 The flowchart demonstrating the inclusion and exclusion criteria of the study population using the SEER 18 population-based cancer registry. Supplementary file3 (EPS 993 KB)
12094_2023_3076_MOESM4_ESM.eps
Supplementary Fig. 2 X-tile analysis for the optimal cutoff values. (A) Optimal cut-off values of age at diagnosis were identified as <12, 12-31, and >31 years old based on OS. (B) Kaplan-Meier survival curve developed based on cutoff values of age at diagnosis. (C) Optimal cut-off values of tumor size were identified as < 4, 4-6, >6 cm based on OS. (D) Kaplan-Meier survival curve developed based on cutoff values of tumor size. Supplementary file4 (EPS 1552 KB)
12094_2023_3076_MOESM5_ESM.eps
Supplementary Fig. 3 X-tile analysis and Kaplan-Meier curves for overall survival. (A) Histogram of the surgery cohort, optimal cut-off value of total score was identified as 210.7 based on OS. (B) Kaplan-Meier survival curve developed based on the cutoff values. Supplementary file5 (EPS 891 KB)
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Liang, W., Li, L., Wang, M. et al. Non-inferior efficacy of non-surgical treatment to surgical treatment in patients with nonmetastatic head and neck rhabdomyosarcoma: a SEER-based study. Clin Transl Oncol 25, 1779–1792 (2023). https://doi.org/10.1007/s12094-023-03076-x
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DOI: https://doi.org/10.1007/s12094-023-03076-x