A surgical strategy-based nomogram for primary pulmonary mucoepidermoid carcinoma

A surgical strategy-based nomogram for primary pulmonary mucoepidermoid carcinoma

Abstract Background Primary pulmonary mucoepidermoid carcinoma (PMEC) is a rare malignancy with no standardized prognostic tools. This study aimed to investigate whether specific surgical approaches significantly impact survival outcomes and to develop an accurate predictive nomogram incorporating s...

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Bibliographic Details
Main Authors: Lei Yu, Yanling Peng, Shan Lan, Lu Yang
Format: Article
Language:English
Published: Springer 2025-08-01
Series:Discover Oncology
Subjects:
Primary pulmonary mucoepidermoid carcinoma
Nomogram model
Rare disease management
Overall survival
Online Access:https://doi.org/10.1007/s12672-025-03117-7
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Summary:Abstract Background Primary pulmonary mucoepidermoid carcinoma (PMEC) is a rare malignancy with no standardized prognostic tools. This study aimed to investigate whether specific surgical approaches significantly impact survival outcomes and to develop an accurate predictive nomogram incorporating surgical variables. Methods Using the SEER database (2004–2020), we identified 225 PMEC patients. Independent prognostic factors were selected via Cox regression (P < 0.05). A nomogram was developed and validated using time-dependent ROC curves, calibration plots, and decision curve analysis (DCA). Results We analyzed 225 PMEC cases, predominantly affecting patients aged 30–69 years with slight male predominance. Most tumors (30–52 mm) were early-stage with favorable prognosis; only 11.01% presented as Stage IV (3-year OS: 18.5%, median survival: 8.5 months). The nomogram (incorporating age, tumor size, N/M stage, surgery, and chemotherapy) demonstrated excellent discrimination (AUC > 0.9) and calibration, with pneumonectomy plus lymph node dissection showing the best surgical outcomes. Conclusion Our nomogram provides a clinically useful tool for PMEC prognostication, validating that lymph node dissection during lobectomy significantly improves survival. It may guide individualized surgical decisions for this rare malignancy.
ISSN:2730-6011

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