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Second malignancy risk higher in patients with fusion-negative sarcoma


 

FROM CANCER

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Survivors of fusion-negative sarcomas have a higher risk of developing second malignant neoplasms, report Philip J. Lupo, PhD, and his coauthors from the Baylor College of Medicine in Houston.

Investigators evaluated 4,822 survivors of fusion-positive (F+) sarcomas and 3,963 survivors of fusion-negative (F–) sarcomas aged birth-39 years. Patients were diagnosed between 1992 and 2012, and were included in the Surveillance, Epidemiology, and End Results (SEER) database.

Results showed that second malignancy risk was almost two times higher in F+ sarcoma patients, compared with the reference population (standardized incidence ratio = 1.86; 95% confidence interval, 1.48-2.30), and almost three times higher in survivors of F– sarcomas (SIR = 2.89; 95% CI, 2.30-3.59).

Second malignancy types were similar between F+ and F– survivors. However, the second malignant neoplasm rate was greater among survivors of F– sarcomas (adjusted hazard ratio = 1.38; 95% CI, 1.01-1.89) when compared with survivors of F+ sarcomas, Dr. Lupo and his colleagues reported.

Read the full study in Cancer.

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