Abstract
e19065 Background: Mantle Cell Lymphoma (MCL) poses challenges in clinical management due to its rarity and aggressiveness. Understanding its epidemiology and outcomes is crucial. This study examines demographic and clinicopathologic profiles of 746 MCL patients in the USA from 2000-2015, focusing on the interplay between age and tumor stage. Methods: Using SEER data, this retrospective study analyzes demographic and clinical variables to assess mortality risks. Univariate and multivariate Cox regression models evaluate overall mortality (OM) and MCL-specific mortality (CSM), identifying independent prognostic factors (HR >1). The study explores age-tumor stage interaction. Results: Multivariate Cox proportional hazard regression analysis revealed age as pivotal, with those ≥80 facing higher risks for overall mortality (HR=3.93) and MCL-related mortality (HR=4.02) . Advanced Ann Arbor staging (II, III, IV) predicts heightened risks for both mortality types. Widowed status significantly influences outcomes ,with widowed individuals facing notably higher risks of overall mortality (HR=1.85) and MCL-related mortality (HR=1.81).Stage II and age groups 60-79 and ≥80 show substantial mortality risks, with similar trends in Stage IV combined with these age groups. Intriguingly, Stage III lacks significant age interactions, suggesting heterogeneous clinical profiles and treatment responses compared to patients in Stages II and IV. Therefore, the influence of age on mortality outcomes may be obscured by the complexities inherent in Stage III disease presentation and management. Conclusions: This study underscores age, staging, and marital status as key factors influencing MCL mortality. Widowed status emerges as notable, emphasizing social support's importance. Integrating these insights into clinical practice can enhance risk stratification and guide tailored interventions for improved outcomes. Our findings, particularly the lack of significant interactions between Stage III and age groups, highlight the intricate interplay between age and disease stage in MCL patients. This observation prompts us to advocate for further research aimed at elucidating the underlying mechanisms driving these complex interactions. Understanding the biological and clinical factors that influence the relationship between age and disease stage could provide valuable insights into MCL pathogenesis and progression. Further research in this area is warranted to inform personalized therapeutic approaches and ultimately enhance patient care and outcomes.
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