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Proposal of a Risk Stratification Algorithm for Extracranial Malignant Rhabdoid Tumors
Juno Eberl1, Angelika Eggert1,2, Monika Scheer1,3
1Department of Pediatric Hematology and Oncology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität Zu Berlin, Berlin, Germany.
Cancer Medicine
|June 25, 2026
Summary
Malignant rhabdoid tumors (MRT) are aggressive cancers. This study developed a risk-scoring system and nomogram to predict survival and stratify patients, aiming to improve outcomes for extracranial MRT.
Area of Science:
- Oncology
- Cancer Research
- Tumor Biology
Background:
- Malignant rhabdoid tumors (MRT) are aggressive neoplasms affecting both children and adults.
- Identifying prognostic factors is crucial for risk stratification and treatment planning.
Purpose of the Study:
- To identify independent prognostic factors for extracranial MRT (eMRT).
- To develop an age-spanning risk stratification system for eMRT patients.
- To create tools for predicting individual patient risk and survival outcomes.
Main Methods:
- Analysis of 324 extracranial MRT cases from the SEER 17 database (2000-2019).
- Univariate analysis using Kaplan-Meier estimator to identify potential prognostic factors.
- Cox proportional-hazards regression to determine independent prognostic factors.
- Development of a nomogram and a risk-scoring system for risk stratification.
Main Results:
- Overall survival rates at 3, 5, and 10 years were 35.1%, 31.1%, and 27.9%, respectively.
- Age, tumor size, site, and disease stage were significant independent prognostic factors.
- A nomogram and a risk-scoring system were developed, stratifying patients into distinct risk groups with significantly different survival rates.
Conclusions:
- This study identified distinct patient subsets with varying survival probabilities in eMRT.
- The developed nomogram and risk-scoring system can aid in estimating individual survival and assigning risk-tailored therapies.
- The findings aim to improve treatment strategies and survival for patients with this aggressive disease.