A New Scoring Tool to Assess Overall Survival in Patients With Intracerebral Metastases From Gynecological Cancers

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Abstract

Objective

This study aimed to facilitate individualized treatment strategies for intracerebral metastases from gynecological cancers by creating a specific overall survival (OS) score.

Methods/Materials

Fifty-six patients irradiated for cerebral metastases from gynecological cancers were included. Eleven factors were retrospectively analyzed for OS: age, Eastern Cooperative Oncology Group (ECOG) performance score, cancer type, histology, histologic grading, initial stage, number of lesions, extracerebral metastases, time between cancer diagnosis and brain metastases treatment, recursive partitioning analysis class, and type of treatment. Independent predictors of OS were incorporated in the score (better OS, 1 point; worse OS, 0 points).

Results

On Cox proportional hazards analysis, performance score (hazards ratio, 1.98; 95% confidence interval, 1.30–3.23; P = 0.001), no extracerebral metastases (3.34; 1.46–8.96; P = 0.003), and recursive partitioning analysis class 1 (3.27; 1.97–5.65; P < 0.001) were significant. The following points were assigned: ECOG score 1 to 2 = 1 point, ECOG score 3 to 4 = 0 points, no extracerebral metastases = 1 point, extracerebral metastases = 0 points. Sum scores were 0 (n = 32), 1 (n = 15), or 2 points (n = 9). Six-month OS rates were 6%, 67%, and 100%, respectively (P < 0.001).

Conclusions

A predictive tool including 3 groups with significantly different OS probabilities was designed for patients with cerebral metastases from gynecological cancers. This tool will aid in choosing individual treatments.

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